APA (7th ed.) Citation

Hayes, C. W. (2005). The Boy Allies Under the Sea; Or, The Vanishing Submarines. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hayes, Clair W. The Boy Allies Under the Sea; Or, The Vanishing Submarines. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Hayes, Clair W. The Boy Allies Under the Sea; Or, The Vanishing Submarines. Project Gutenberg, 2005.

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