Cita APA (7a ed.)
Journal of obstetrics and gynaecology. John Wright & Sons.
Cita Chicago Style (17a ed.)
Journal of Obstetrics and Gynaecology. Bristol, England: John Wright & Sons.
Cita MLA (9a ed.)
Journal of Obstetrics and Gynaecology. John Wright & Sons.
Precaución: Estas citas no son 100% exactas.