APA
(1974). Obstetrical and Gynecological Survey. London: Williams and Wilkins.
Chicago
1974. Obstetrical and Gynecological Survey. London: Williams and Wilkins.
Harvard
(1974). Obstetrical and Gynecological Survey. London: Williams and Wilkins.
MLA
Obstetrical and Gynecological Survey. London: Williams and Wilkins. 1974.
