Não informado. (1973). Journal of nurse-midwifery. American College of Nurse-Midwives.
Cita Chicago Style (17a ed.)Não informado. Journal of Nurse-midwifery. New York: American College of Nurse-Midwives, 1973.
Cita MLA (8a ed.)Não informado. Journal of Nurse-midwifery. American College of Nurse-Midwives, 1973.
Precaución: Estas citas no son 100% exactas.