APA (7th ed.) Citation

Gordon, H. W. Sleep, Circadian Rhythm, and Drug Abuse. Wiley.

Chicago Style (17th ed.) Citation

Gordon, Hal W. Sleep, Circadian Rhythm, and Drug Abuse. Wiley.

MLA (9th ed.) Citation

Gordon, Hal W. Sleep, Circadian Rhythm, and Drug Abuse. Wiley.

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