Bongaarts, J., & Rodriguez, G. (1989). A new method for estimating contraceptive failure rates. The Population Council.
Chicago Style (17th ed.) CitationBongaarts, John, and German Rodriguez. A New Method for Estimating Contraceptive Failure Rates. New York: The Population Council, 1989.
MLA (9th ed.) CitationBongaarts, John, and German Rodriguez. A New Method for Estimating Contraceptive Failure Rates. The Population Council, 1989.
Warning: These citations may not always be 100% accurate.