APA
(1966). Journal of Obstetrics and Gynecology Survey. London: Academic Press.
Chicago
1966. Journal of Obstetrics and Gynecology Survey. London: Academic Press.
Harvard
(1966). Journal of Obstetrics and Gynecology Survey. London: Academic Press.
MLA
Journal of Obstetrics and Gynecology Survey. London: Academic Press. 1966.
