APA (7th ed.) Citation

Nicholson, W., & Waugh, A. (2012). The Square Book of Animals. Project Gutenberg.

Chicago Style (17th ed.) Citation

Nicholson, William, and Arthur Waugh. The Square Book of Animals. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Nicholson, William, and Arthur Waugh. The Square Book of Animals. Project Gutenberg, 2012.

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