Berenstain, S., & Berenstain, J. (1981). The Berenstain bears and the sitter. Random House.
芝加哥风格引文Berenstain, Stan, 与 Jan Berenstain. The Berenstain Bears and the Sitter. New York: Random House, 1981.
MLA引文Berenstain, Stan, 与 Jan Berenstain. The Berenstain Bears and the Sitter. Random House, 1981.
警告：这些引文格式不一定是100％准确.