Cita APA (7th ed.)
Greenhill, J. (1946). Year bookof obstetrics and gynecology 1946 (1a.ed.). The yearbook publisher.
Cita Chicago (17th ed.)
Greenhill, J.P. Year Bookof Obstetrics and Gynecology 1946. 1a.ed. Chicago: The yearbook publisher, 1946.
Cita MLA (9th ed.)
Greenhill, J.P. Year Bookof Obstetrics and Gynecology 1946. 1a.ed. The yearbook publisher, 1946.
Atenció: Aquestes cites poden no estar 100% correctes.