APA (7th ed.) Citation

Garner, R. L. (2013). Gorillas and Chimpanzees. Project Gutenberg.

Chicago Style (17th ed.) Citation

Garner, R. L. Gorillas and Chimpanzees. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Garner, R. L. Gorillas and Chimpanzees. Project Gutenberg, 2013.

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