APA (7th ed.) Citation

Strughold, H. (1971). Your body clock. Scribner.

Chicago Style (17th ed.) Citation

Strughold, Hubertus. Your Body Clock. New York: Scribner, 1971.

MLA (9th ed.) Citation

Strughold, Hubertus. Your Body Clock. Scribner, 1971.

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