APA (7th ed.) Citation

Mahan, A. T. (2009). Lessons of the war with Spain and other articles. Project Gutenberg.

Chicago Style (17th ed.) Citation

Mahan, A. T. Lessons of the War with Spain and Other Articles. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Mahan, A. T. Lessons of the War with Spain and Other Articles. Project Gutenberg, 2009.

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