APA

Joint Committee of the Royal College of Obstetricians and Gynaecologists and the Population Investigation Committee, . (1948). Maternity in Great Britain. London: Oxford University Press.

Chicago

Joint Committee of the Royal College of Obstetricians and Gynaecologists and the Population Investigation Committee, . 1948. Maternity in Great Britain. London: Oxford University Press.

Harvard

Joint Committee of the Royal College of Obstetricians and Gynaecologists and the Population Investigation Committee, . (1948). Maternity in Great Britain. London: Oxford University Press.

MLA

Joint Committee of the Royal College of Obstetricians and Gynaecologists and the Population Investigation Committee, . Maternity in Great Britain. London: Oxford University Press. 1948.