APA (7th ed.) Citation

Hobbins, J. C., & Winsberg, F. (1977). Ultrasonography in obstetrics and gynecology. Williams & Wilkins.

Chicago Style (17th ed.) Citation

Hobbins, John C., and Fred Winsberg. Ultrasonography in Obstetrics and Gynecology. Baltimore: Williams & Wilkins, 1977.

MLA (9th ed.) Citation

Hobbins, John C., and Fred Winsberg. Ultrasonography in Obstetrics and Gynecology. Williams & Wilkins, 1977.