APA (7th ed.) Citation

(2003). Sleep and biological rhythms. Blackwell.

Chicago Style (17th ed.) Citation

Sleep and Biological Rhythms. [Oxford] ; [Malden, Mass.]: Blackwell, 2003.

MLA (9th ed.) Citation

Sleep and Biological Rhythms. Blackwell, 2003.

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