एपीए उद्धरण

Heftmann, E. (1970). Steroid biochemistry. Academic Press.

शिकागो स्टाइल उद्धरण

Heftmann, Erich. Steroid Biochemistry. New York: Academic Press, 1970.

एमएलए उद्धरण

Heftmann, Erich. Steroid Biochemistry. Academic Press, 1970.