APA (7th ed.) Citation

Pirkle, A. (2009). Sleep patterns. Perkolator Press.

Chicago Style (17th ed.) Citation

Pirkle, Amy. Sleep Patterns. [Tuscaloosa, Ala.]: Perkolator Press, 2009.

MLA (9th ed.) Citation

Pirkle, Amy. Sleep Patterns. Perkolator Press, 2009.

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