APA (7th ed.) Citation

Burroughs, J. (2005). John James Audubon. Project Gutenberg.

Chicago Style (17th ed.) Citation

Burroughs, John. John James Audubon. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Burroughs, John. John James Audubon. Project Gutenberg, 2005.

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