Sivin, I. (1974). Contraception and fertility change in the international postpartum program. Population Council; [distributed by Key Book Service, Bridgeport, Conn..
芝加哥风格引文Sivin, Irving. Contraception and Fertility Change in the International Postpartum Program. [New York]: Population Council; [distributed by Key Book Service, Bridgeport, Conn., 1974.
MLA引文Sivin, Irving. Contraception and Fertility Change in the International Postpartum Program. Population Council; [distributed by Key Book Service, Bridgeport, Conn., 1974.
警告：这些引文格式不一定是100％准确.