Cita APA (7a ed.)

(1980). Journal of obstetrics and gynaecology. John Wright & Sons.

Cita Chicago Style (17a ed.)

Journal of Obstetrics and Gynaecology. Bristol, England: John Wright & Sons, 1980.

Cita MLA (9a ed.)

Journal of Obstetrics and Gynaecology. John Wright & Sons, 1980.