Gaya APA

MD, R, M, W. (1975). Obstetrics and Gynecology Annual Nineteen Seventy-Five (Volume 4). USA: Appleton Century Crofts.

Gaya MLA

MD, Ralph, M, Wynn,. "Obstetrics and Gynecology Annual Nineteen Seventy-Five". Volume 4 USA: Appleton Century Crofts, 1975. Text.