APA (7th ed.) Citation

West, G. C., & Butler, C. A. (2010). Do hummingbirds hum?: Fascinating answers to questions about hummingbirds. Rutgers University Press.

Chicago Style (17th ed.) Citation

West, George C., and Carol A. Butler. Do Hummingbirds Hum?: Fascinating Answers to Questions About Hummingbirds. New Brunswick, N.J.: Rutgers University Press, 2010.

MLA (8th ed.) Citation

West, George C., and Carol A. Butler. Do Hummingbirds Hum?: Fascinating Answers to Questions About Hummingbirds. Rutgers University Press, 2010.