APA (7th ed.) Citation

Beard, M. R., & Beard, C. A. (2007). History of the United States, Volume 2 Conflict and Independence. Project Gutenberg.

Chicago Style (17th ed.) Citation

Beard, Mary Ritter, and Charles A. Beard. History of the United States, Volume 2 Conflict and Independence. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Beard, Mary Ritter, and Charles A. Beard. History of the United States, Volume 2 Conflict and Independence. Project Gutenberg, 2007.

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