एपीए उद्धरण

Etcoff, N. L. (1999). Survival of the prettiest: The science of beauty. New York: Doubleday.

शिकागो स्टाइल उद्धरण

Etcoff, Nancy L. Survival of the Prettiest: The Science of Beauty. New York: Doubleday, 1999.

एमएलए उद्धरण

Etcoff, Nancy L. Survival of the Prettiest: The Science of Beauty. New York: Doubleday, 1999.