APA (7th ed.) Citation

Chesterton, C., & Chesterton, G. K. (2007). A History of the United States. Project Gutenberg.

Chicago Style (17th ed.) Citation

Chesterton, Cecil, and G. K. Chesterton. A History of the United States. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Chesterton, Cecil, and G. K. Chesterton. A History of the United States. Project Gutenberg, 2007.

Warning: These citations may not always be 100% accurate.