APA
(1971). International Journal of Genecology and Obstetrics. New York: Harper and Row.
Chicago
1971. International Journal of Genecology and Obstetrics. New York: Harper and Row.
Harvard
(1971). International Journal of Genecology and Obstetrics. New York: Harper and Row.
MLA
International Journal of Genecology and Obstetrics. New York: Harper and Row. 1971.
