APA (7th ed.) Citation

Hall, E. R., & Montague, H. G. (2009). Two New Pocket Gophers from Wyoming and Colorado. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hall, E. Raymond, and H. Gordon Montague. Two New Pocket Gophers from Wyoming and Colorado. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Hall, E. Raymond, and H. Gordon Montague. Two New Pocket Gophers from Wyoming and Colorado. Project Gutenberg, 2009.

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