APA (7th ed.) Citation

Krohn, W. O. (1903). First book in hygiene: A primer of physiology.

Chicago Style (17th ed.) Citation

Krohn, William O. First Book in Hygiene: A Primer of Physiology. New York, 1903.

MLA (9th ed.) Citation

Krohn, William O. First Book in Hygiene: A Primer of Physiology. 1903.

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