APA引文

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

Chicago Style (17th ed.) Citation

Berenstain, Jan, and Mike Berenstain. The Berenstain Bears' Class Trip. New York, NY: HarperCollins, 2009.

MLA引文

Berenstain, Jan, and Mike Berenstain. The Berenstain Bears' Class Trip. HarperCollins, 2009.

警告：這些引文格式不一定是100％准確.