Cita APA (7a ed.)

Sivin, I. (1974). Contraception and Fertility Change in the International Postpartum Program. The Population Council.

Cita Chicago Style (17a ed.)

Sivin, Irving. Contraception and Fertility Change in the International Postpartum Program. New York: The Population Council, 1974.

Cita MLA (8a ed.)

Sivin, Irving. Contraception and Fertility Change in the International Postpartum Program. The Population Council, 1974.