Cita APA (7a ed.)

Pisani, B. J., Rivkind, J., & Kristal, R. M. (1967). The rhythm method of birth control. Essandess.

Cita Chicago Style (17a ed.)

Pisani, Bernard J., Jules Rivkind, y Robert M. Kristal. The Rhythm Method of Birth Control. New York: Essandess, 1967.

Cita MLA (9a ed.)

Pisani, Bernard J., et al. The Rhythm Method of Birth Control. Essandess, 1967.