Cita APA (7a ed.)

Vernon, U. (2010). Attack of the ninja frogs. Dial Books for Young Readers.

Cita Chicago Style (17a ed.)

Vernon, Ursula. Attack of the Ninja Frogs. New York: Dial Books for Young Readers, 2010.

Cita MLA (8a ed.)

Vernon, Ursula. Attack of the Ninja Frogs. Dial Books for Young Readers, 2010.

Precaución: Estas citas no son 100% exactas.