APA (7th ed.) Citation

Burroughs, J. (2007). The Wit of a Duck and Other Papers. Project Gutenberg.

Chicago Style (17th ed.) Citation

Burroughs, John. The Wit of a Duck and Other Papers. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Burroughs, John. The Wit of a Duck and Other Papers. Project Gutenberg, 2007.

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