Cita APA (7a ed.)

Heftmann, E. (1973). Modern methods of steroid analysis. Academic Press.

Cita Chicago Style (17a ed.)

Heftmann, Erich. Modern Methods of Steroid Analysis. New York [etc.]: Academic Press, 1973.

Cita MLA (9a ed.)

Heftmann, Erich. Modern Methods of Steroid Analysis. Academic Press, 1973.