Cita APA (7a ed.)

Duval, K., & Turley, G. (2015). A bear's year. Schwartz & Wade Books.

Cita Chicago Style (17a ed.)

Duval, Kathy, y Gerry Turley. A Bear's Year. New York: Schwartz & Wade Books, 2015.

Cita MLA (8a ed.)

Duval, Kathy, y Gerry Turley. A Bear's Year. Schwartz & Wade Books, 2015.

Precaución: Estas citas no son 100% exactas.