APA
(1959). Journal of Obstetrics and Gynecology. New York: Harper and Row.
Chicago
1959. Journal of Obstetrics and Gynecology. New York: Harper and Row.
Harvard
(1959). Journal of Obstetrics and Gynecology. New York: Harper and Row.
MLA
Journal of Obstetrics and Gynecology. New York: Harper and Row. 1959.
