APA (7th ed.) Citation

Gibbons, W., & Greene, J. (2009). Turtles: The animal answer guide. Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Gibbons, Whit, and Judy Greene. Turtles: The Animal Answer Guide. Baltimore: Johns Hopkins University Press, 2009.

MLA (9th ed.) Citation

Gibbons, Whit, and Judy Greene. Turtles: The Animal Answer Guide. Johns Hopkins University Press, 2009.