APA (7th ed.) Citation

Kooyman, G. L., & Lynch, W. (2013). Penguins: The animal answer guide. The Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Kooyman, Gerald L., and Wayne Lynch. Penguins: The Animal Answer Guide. Baltimore: The Johns Hopkins University Press, 2013.

MLA (9th ed.) Citation

Kooyman, Gerald L., and Wayne Lynch. Penguins: The Animal Answer Guide. The Johns Hopkins University Press, 2013.