APA (7th ed.) Citation
Greenhill, J. (1946). The 1946 Year Book of Obstetrics and Gynecology (1a.ed.). The yearbook publisher.
Chicago Style (17th ed.) Citation
Greenhill, J.P. The 1946 Year Book of Obstetrics and Gynecology. 1a.ed. chicago: The yearbook publisher, 1946.
MLA (9th ed.) Citation
Greenhill, J.P. The 1946 Year Book of Obstetrics and Gynecology. 1a.ed. The yearbook publisher, 1946.
Warning: These citations may not always be 100% accurate.