APA (7th ed.) Citation

Defoe, D. (2012). The Storm. An Essay. Project Gutenberg.

Chicago Style (17th ed.) Citation

Defoe, Daniel. The Storm. An Essay. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Defoe, Daniel. The Storm. An Essay. Project Gutenberg, 2012.

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