Manifest Destiny- How to Cite and Reference

What Is Manifest Destiny and Why Does Citation Matter?

Manifest Destiny is the 19th-century belief that American settlers were destined to expand across North America. The term was popularized by journalist John O'Sullivan in 1845, though the idea existed before that.

If you're writing about this topic, proper citation isn't optional. Your professors and readers need to verify your claims. Primary sources on Manifest Destiny are often contested, and secondary sources frequently disagree on interpretation.

Bad citations destroy credibility fast. Here's exactly how to handle references on this topic.

Citing Manifest Destiny: Core Principles

Three rules apply to every citation style:

• Identify the primary source type first — political speeches, newspaper editorials, government documents, and personal letters require different citation formats
• Check which edition you're using — many Manifest Destiny-era texts have multiple editions with different pagination
• Include the full publication context — where and when the source appeared matters for historical analysis

Primary Sources You Might Use

Common primary sources for Manifest Destiny research include:

• John O'Sullivan's 1845 "Annexation" article in the Democratic Review
• James K. Polk's presidential messages to Congress
• Newspaper coverage from the Mexican-American War period
• Letters from settlers traveling west
• Government treaties and land grants

Citation Styles Compared

Your instructor decides the citation style. Here's how the major ones handle Manifest Destiny sources:

Chicago Style: The History Standard

Chicago is the go-to for Manifest Destiny research. Historians use footnotes to track how interpretations evolved.

Book with Author

Bibliography entry:

Smith, Daniel J. The Mission of Manifest Destiny. New York: Oxford University Press, 2019.

Footnote:

Daniel J. Smith, The Mission of Manifest Destiny (New York: Oxford University Press, 2019), 45-47.

Primary Source: O'Sullivan's Original Article

Bibliography:

O'Sullivan, John. "Annexation." United States Magazine and Democratic Review 17, no. 1 (1845): 5-10.

Footnote:

John O'Sullivan, "Annexation," United States Magazine and Democratic Review 17, no. 1 (1845): 7.

Government Document

Bibliography:

Polk, James K. Message to the Senate and House of Representatives. Washington, DC: Government Printing Office, 1846.

Footnote:

James K. Polk, Message to the Senate and House of Representatives (Washington, DC: Government Printing Office, 1846), 12.

MLA Style

MLA works well for literary analysis of Manifest Destiny rhetoric in texts and speeches.

Book Citation

Works Cited:

Merry, Robert W. A Country of Vast Designs: James K. Polk, the Mexican War, and the Conquest of the American Continent. New York: Simon & Schuster, 2009.

In-text:

(Merry 89)

Scholarly Article

Works Cited:

Greenberg, Amy S. "Gender and Manifest Destiny." Journal of the Early Republic 25, no. 2 (2005): 233-258.

In-text:

(Greenberg 241)

Website Source

Works Cited:

"Manifest Destiny." Library of Congress. Accessed March 15, 2024. https://www.loc.gov/item/2006680681/.

In-text:

("Manifest Destiny")

APA Style

APA is less common for pure history but appears in interdisciplinary papers and education contexts.

Book

References:

Stephanson, A. (1995). Manifest Destiny: American Expansionism and the Empire of Right. Hill and Wang.

In-text:

(Stephanson, 1995, p. 34)

Edited Chapter

References:

Johannsen, R. W. (2006). The meaning of Manifest Destiny. In S. W. Sears (Ed.), Manifest Destiny (pp. 1-21). Praeger.

In-text:

(Johannsen, 2006, p. 8)

Getting Started: Step-by-Step Citation Process

Follow this workflow for every source you encounter:

Step 1: Identify the Source Type

Is it a book, journal article, website, government document, or primary source? This determines your citation structure.

Step 2: Gather the Information

For books, you need: author name, title, publisher, year, and edition if applicable. For articles: journal name, volume, issue, page numbers. For websites: page title, site name, URL, and access date.

Step 3: Match to Your Style Guide

Don't guess. Pull up the official style guide for your required format. Purdue OWL (owl.purdue.edu) has free examples for all major styles.

Step 4: Double-Check the Details

Spelling errors and wrong years kill citations. Verify author names against the actual title page, not the book cover or search results.

Step 5: Build Your Bibliography Incrementally

Add citations as you write, not at the end. You'll miss sources and misformat entries if you wait.

Common Mistakes That Undermine Your Work

• Using Wikipedia as a sole source — Wikipedia is a starting point, not an academic reference. Mine its footnotes instead.
• Citing the wrong edition — Manifest Destiny texts often have modern abridged versions alongside originals. Specify which you're using.
• Forgetting page numbers in Chicago — Historians expect specific citations, not vague references to chapters.
• Skipping access dates on web sources — Online primary sources and archives change URLs. Always record when you accessed the material.
• Mixing citation styles — Pick one style and use it consistently throughout the paper.

Recommended Sources for Manifest Destiny Research

These resources are worth your time:

• Library of Congress American Memory — Primary sources from the westward expansion period
• JSTOR — Peer-reviewed articles on Manifest Destiny historiography
• HathiTrust — Digitized 19th-century newspapers and documents
• National Archives — Government records from the Mexican-American War era

The Bottom Line

Citation style matters less than consistency and accuracy. Pick your format, follow it precisely, and verify every entry against the original source. Your argument about Manifest Destiny is only as strong as the evidence you cite to support it.