Cita APA (7a ed.)
P, S. (2004). Doulas: Nurturing and protecting women's memories of their birth experiences. International Journal of Childbirth Education, 19(4), 16-20.
Cita Chicago Style (17a ed.)
P, Simkin. "Doulas: Nurturing and Protecting Women's Memories of Their Birth Experiences." International Journal of Childbirth Education 19, no. 4 (2004): 16-20.
Cita MLA (9a ed.)
P, Simkin. "Doulas: Nurturing and Protecting Women's Memories of Their Birth Experiences." International Journal of Childbirth Education, vol. 19, no. 4, 2004, pp. 16-20.
Precaución: Estas citas no son 100% exactas.