APA (7th ed.) Citation

Ritchie, J. W. (1913). Physiology and hygiene, with a chapter on physical exercise. World Book.

Chicago Style (17th ed.) Citation

Ritchie, John Woodside. Physiology and Hygiene, with a Chapter on Physical Exercise. New York and Manila: World Book, 1913.

MLA (9th ed.) Citation

Ritchie, John Woodside. Physiology and Hygiene, with a Chapter on Physical Exercise. World Book, 1913.

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