Cita APA (7a ed.)

Lynch, W. (2007). Penguins of the world ([2nd ed.].). Firefly Books.

Cita Chicago Style (17a ed.)

Lynch, Wayne. Penguins of the World. [2nd ed.]. Richmond Hill, Ont.: Firefly Books, 2007.

Cita MLA (8a ed.)

Lynch, Wayne. Penguins of the World. [2nd ed.]. Firefly Books, 2007.

Precaución: Estas citas no son 100% exactas.