Cita APA (7a ed.)

Berenstain, S. (2011). The berenstain bears and the spooky old tree.

Cita Chicago Style (17a ed.)

Berenstain, Stan. The Berenstain Bears and the Spooky Old Tree. 2011.

Cita MLA (8a ed.)

Berenstain, Stan. The Berenstain Bears and the Spooky Old Tree. 2011.

Precaución: Estas citas no son 100% exactas.