Não informado. (1961). Journal of Obstetrics and Gynaecology of the British Commonwealth. Royal College of Obstetricians and Gynaecologists.
Cita Chicago Style (17a ed.)Não informado. Journal of Obstetrics and Gynaecology of the British Commonwealth. London: Royal College of Obstetricians and Gynaecologists, 1961.
Cita MLA (8a ed.)Não informado. Journal of Obstetrics and Gynaecology of the British Commonwealth. Royal College of Obstetricians and Gynaecologists, 1961.
Precaución: Estas citas no son 100% exactas.