Stoppard, M. (2004). Defying age: How to think, act & stay young (1st American ed.). Dorling Kindersley.
芝加哥风格引文Stoppard, Miriam. Defying Age: How to Think, Act & Stay Young. 1st American ed. New York: Dorling Kindersley, 2004.
MLA引文Stoppard, Miriam. Defying Age: How to Think, Act & Stay Young. 1st American ed. Dorling Kindersley, 2004.
警告：这些引文格式不一定是100％准确.