Cita APA

McFalls, J. A., & Masnick, G. S. (1981). Birth control and the fertility of the U.S. black population: 1880 to 1980. Journal of family history. - publ. by the National Council on Family Relations.

Citación estilo Chicago

McFalls, Joseph A., y George S. Masnick. "Birth Control and the Fertility of the U.S. Black Population: 1880 to 1980." Journal of Family History. - Publ. by the National Council on Family Relations 1981.

Cita MLA

McFalls, Joseph A., y George S. Masnick. "Birth Control and the Fertility of the U.S. Black Population: 1880 to 1980." Journal of Family History. - Publ. by the National Council on Family Relations, 1981.