APA
(1984). Journal of Obstetrics and Gynecology Survey. London: Academic Press.
Chicago
1984. Journal of Obstetrics and Gynecology Survey. London: Academic Press.
Harvard
(1984). Journal of Obstetrics and Gynecology Survey. London: Academic Press.
MLA
Journal of Obstetrics and Gynecology Survey. London: Academic Press. 1984.
