APA (7th ed.) Citation

Casserly, G. (2004). The Elephant God. Project Gutenberg.

Chicago Style (17th ed.) Citation

Casserly, Gordon. The Elephant God. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Casserly, Gordon. The Elephant God. Project Gutenberg, 2004.

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