APA (7th ed.) Citation

Walters, F. M. (2005). Physiology and Hygiene for Secondary Schools. Project Gutenberg.

Chicago Style (17th ed.) Citation

Walters, Francis M. Physiology and Hygiene for Secondary Schools. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Walters, Francis M. Physiology and Hygiene for Secondary Schools. Project Gutenberg, 2005.

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