APA (7th ed.) Citation

Abbot, W. J. (2009). Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons. Project Gutenberg.

Chicago Style (17th ed.) Citation

Abbot, Willis J. Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Abbot, Willis J. Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons. Project Gutenberg, 2009.

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