Berenstain, S., & Berenstain, J. (1999). The Berenstain Bears and the big question. Random House.
芝加哥风格引文Berenstain, Stan, 与 Jan Berenstain. The Berenstain Bears and the Big Question. New York: Random House, 1999.
MLA引文Berenstain, Stan, 与 Jan Berenstain. The Berenstain Bears and the Big Question. Random House, 1999.
警告：这些引文格式不一定是100％准确.