Cita APA

Vernon, U., & 1978- 1906-1998. 1952- 1974-. (2010). Attack of the ninja frogs. New York: Dial Books for Young Readers.

Chicago Style Citation

Vernon, Ursula., i 1978- 1906-1998. 1952- 1974-. Attack of the Ninja Frogs. New York: Dial Books for Young Readers, 2010.

Cita MLA

Vernon, Ursula., i 1978- 1906-1998. 1952- 1974-. Attack of the Ninja Frogs. New York: Dial Books for Young Readers, 2010.