APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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