APA (7th ed.) Citation

International Society of Ultrasound in Obstetrics and Gynecology. (1991). Ultrasound in obstetrics & gynecology: The official journal of the International Society of Ultrasound in Obstetrics and Gynecology. Parthenon Pub..

Chicago Style (17th ed.) Citation

International Society of Ultrasound in Obstetrics and Gynecology. Ultrasound in Obstetrics & Gynecology: The Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology. Carnforth, Lancs, UK ; Park Ridge, N.J., USA: Parthenon Pub., 1991.

MLA (9th ed.) Citation

International Society of Ultrasound in Obstetrics and Gynecology. Ultrasound in Obstetrics & Gynecology: The Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology. Parthenon Pub., 1991.