APA (7th ed.) Citation

Mayer, B. (2010). History of the War Between Mexico and the United States, with a Preliminary View of its Origin, Volume 1. Project Gutenberg.

Chicago Style (17th ed.) Citation

Mayer, Brantz. History of the War Between Mexico and the United States, with a Preliminary View of Its Origin, Volume 1. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Mayer, Brantz. History of the War Between Mexico and the United States, with a Preliminary View of Its Origin, Volume 1. Project Gutenberg, 2010.

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