Cita APA (7a ed.)

Westoff, C. F., & Ryder, N. B. (1977). The contraceptive revolution. Princeton Univ. Pr.

Cita Chicago Style (17a ed.)

Westoff, Charles F., y Norman B. Ryder. The Contraceptive Revolution. Princeton, N.J: Princeton Univ. Pr, 1977.

Cita MLA (9a ed.)

Westoff, Charles F., y Norman B. Ryder. The Contraceptive Revolution. Princeton Univ. Pr, 1977.