Cita APA (7a ed.)

Berenstain, S., & Berenstain, J. (1999). The Berenstain Bears and the big question. Random House.

Cita Chicago Style (17a ed.)

Berenstain, Stan, y Jan Berenstain. The Berenstain Bears and the Big Question. New York: Random House, 1999.

Cita MLA (8a ed.)

Berenstain, Stan, y Jan Berenstain. The Berenstain Bears and the Big Question. Random House, 1999.