Whelpton, P. K., Patterson, J. E., & Campbell, A. A. (1966). Fertility and Family Planning in the United States. Princeton University Press.
Cita Chicago Style (17a ed.)Whelpton, Pascal K., John E. Patterson, y Arthur A. Campbell. Fertility and Family Planning in the United States. Princeton, N.J.: Princeton University Press, 1966.
Cita MLA (8a ed.)Whelpton, Pascal K., et al. Fertility and Family Planning in the United States. Princeton University Press, 1966.
Precaución: Estas citas no son 100% exactas.