APA (7th ed.) Citation

Steele, D. (2004). Notes on the Apocalypse. Project Gutenberg.

Chicago Style (17th ed.) Citation

Steele, David. Notes on the Apocalypse. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Steele, David. Notes on the Apocalypse. Project Gutenberg, 2004.

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