Cita APA (7a ed.)

Berk, A., & Long, L. (2012). Nightsong. Simon & Schuster Books for Young Readers.

Cita Chicago Style (17a ed.)

Berk, Ari, y Loren Long. Nightsong. New York: Simon & Schuster Books for Young Readers, 2012.

Cita MLA (8a ed.)

Berk, Ari, y Loren Long. Nightsong. Simon & Schuster Books for Young Readers, 2012.

Precaución: Estas citas no son 100% exactas.