Cita APA (7a ed.)

Berenstain, S., & Berenstain, J. (1978). The Berenstain bears and the spooky old tree. Beginner Books.

Cita Chicago Style (17a ed.)

Berenstain, Stan, y Jan Berenstain. The Berenstain Bears and the Spooky Old Tree. New York: Beginner Books, 1978.

Cita MLA (8a ed.)

Berenstain, Stan, y Jan Berenstain. The Berenstain Bears and the Spooky Old Tree. Beginner Books, 1978.

Precaución: Estas citas no son 100% exactas.