APA (7th ed.) Citation

Kellogg, J. H. (2005). First Book in Physiology and Hygiene. Project Gutenberg.

Chicago Style (17th ed.) Citation

Kellogg, John Harvey. First Book in Physiology and Hygiene. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Kellogg, John Harvey. First Book in Physiology and Hygiene. Project Gutenberg, 2005.

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