APA (7e ed.) Bronvermelding

Stoppard, M. (2004). Defying age: How to think, act & stay young (1st American ed.). Dorling Kindersley.

Chicago (17e ed.) Bronvermelding

Stoppard, Miriam. Defying Age: How to Think, Act & Stay Young. 1st American ed. New York: Dorling Kindersley, 2004.

MLA (9e ed.) Bronvermelding

Stoppard, Miriam. Defying Age: How to Think, Act & Stay Young. 1st American ed. Dorling Kindersley, 2004.