APA (7th ed.) Citation

McRae, C. (2008). Fathers of Biology. Project Gutenberg.

Chicago Style (17th ed.) Citation

McRae, Charles. Fathers of Biology. Project Gutenberg, 2008.

MLA (9th ed.) Citation

McRae, Charles. Fathers of Biology. Project Gutenberg, 2008.

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