APA (7th ed.) Citation

Smith, J. H. (2013). The War With Mexico, Volume I (of 2). Project Gutenberg.

Chicago Style (17th ed.) Citation

Smith, Justin H. The War With Mexico, Volume I (of 2). Project Gutenberg, 2013.

MLA (9th ed.) Citation

Smith, Justin H. The War With Mexico, Volume I (of 2). Project Gutenberg, 2013.

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