Cita APA

Mattison, C. (1989). Frogs and toads of the world. New York: Facts on File Publications.

Citación estilo Chicago

Mattison, Chris. Frogs and Toads of the World. New York: Facts on File Publications, 1989.

Cita MLA

Mattison, Chris. Frogs and Toads of the World. New York: Facts on File Publications, 1989.

Precaución: Estas citas no son 100% exactas.