Guttmacher, A. F. (1973). Pregnancy, birth, and family planning: A guide for expectant parents in the 1970s. Viking Press.
Citación estilo ChicagoGuttmacher, Alan Frank. Pregnancy, Birth, and Family Planning: A Guide for Expectant Parents in the 1970s. New York: Viking Press, 1973.
Cita MLAGuttmacher, Alan Frank. Pregnancy, Birth, and Family Planning: A Guide for Expectant Parents in the 1970s. Viking Press, 1973.
Warning: These citations may not always be 100% accurate.