Mellow, J. R. (1974). Charmed circle: Gertrude Stein & company. Praeger.
芝加哥风格引文Mellow, James R. Charmed Circle: Gertrude Stein & Company. New York: Praeger, 1974.
MLA引文Mellow, James R. Charmed Circle: Gertrude Stein & Company. Praeger, 1974.
警告：这些引文格式不一定是100％准确.