APA (7e ed.) Bronvermelding
Westoff, L. A. (1971). From now to zero: Fertility, conception and abortion in America. Little, Brown and Co..
Chicago (17e ed.) Bronvermelding
Westoff, Leslie Aldridge. From Now to Zero: Fertility, Conception and Abortion in America. Boston: Little, Brown and Co., 1971.
MLA (9e ed.) Bronvermelding
Westoff, Leslie Aldridge. From Now to Zero: Fertility, Conception and Abortion in America. Little, Brown and Co., 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.