APA (7th ed.) Citation

International Planned Parenthood Federation, IPPF Central Medical Committee, Hardy, N., & Kestelman, P. (1971). Directory of contraceptives: Directoire de contraceptifs. Directorio de anticonceptivos. International Planned Parenthood Federation.

Chicago Style (17th ed.) Citation

International Planned Parenthood Federation, IPPF Central Medical Committee, Norman Hardy, and Philip Kestelman. Directory of Contraceptives: Directoire De Contraceptifs. Directorio De Anticonceptivos. London: International Planned Parenthood Federation, 1971.

MLA (8th ed.) Citation

International Planned Parenthood Federation, et al. Directory of Contraceptives: Directoire De Contraceptifs. Directorio De Anticonceptivos. International Planned Parenthood Federation, 1971.