APA (7th ed.) Citation

White, J. A. (2009). Genera and Subgenera of Chipmunks. Project Gutenberg.

Chicago Style (17th ed.) Citation

White, John A. Genera and Subgenera of Chipmunks. Project Gutenberg, 2009.

MLA (9th ed.) Citation

White, John A. Genera and Subgenera of Chipmunks. Project Gutenberg, 2009.

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