Cita APA (7a ed.)

Berenstain, J., & Berenstain, M. (2009). The Berenstain Bears' class trip. HarperCollins Children's Books.

Cita Chicago Style (17a ed.)

Berenstain, Jan, y Mike Berenstain. The Berenstain Bears' Class Trip. New York, NY: HarperCollins Children's Books, 2009.

Cita MLA (8a ed.)

Berenstain, Jan, y Mike Berenstain. The Berenstain Bears' Class Trip. HarperCollins Children's Books, 2009.

Precaución: Estas citas no son 100% exactas.