Cita APA (7a ed.)

Wade, R. (2011). Polar worlds (1st U.S. ed.). Simon & Schuster Books for Young Readers.

Cita Chicago Style (17a ed.)

Wade, Rosalyn. Polar Worlds. 1st U.S. ed. New York: Simon & Schuster Books for Young Readers, 2011.

Cita MLA (8a ed.)

Wade, Rosalyn. Polar Worlds. 1st U.S. ed. Simon & Schuster Books for Young Readers, 2011.

Precaución: Estas citas no son 100% exactas.