APA (7th ed.) Citation

Hopkins, W. J. (2012). The Clammer and the Submarine. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hopkins, William John. The Clammer and the Submarine. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Hopkins, William John. The Clammer and the Submarine. Project Gutenberg, 2012.

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