APA (7th ed.) Citation

Kirk, J., & Kirk, E. B. (2007). Papers on Health. Project Gutenberg.

Chicago Style (17th ed.) Citation

Kirk, John, and Edward Bruce Kirk. Papers on Health. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Kirk, John, and Edward Bruce Kirk. Papers on Health. Project Gutenberg, 2007.

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