APA (7th ed.) Citation

Hughes, M. (1989). Bodyclock: The effects of time on human health. Facts on File.

Chicago Style (17th ed.) Citation

Hughes, Martin. Bodyclock: The Effects of Time on Human Health. New York: Facts on File, 1989.

MLA (9th ed.) Citation

Hughes, Martin. Bodyclock: The Effects of Time on Human Health. Facts on File, 1989.

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