APA (7th ed.) Citation

Palmer, J. A. (2009). Mushrooms of America, Edible and Poisonous. Project Gutenberg.

Chicago Style (17th ed.) Citation

Palmer, Julius A. Mushrooms of America, Edible and Poisonous. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Palmer, Julius A. Mushrooms of America, Edible and Poisonous. Project Gutenberg, 2009.

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