Cita APA (7a ed.)
ebrary, Inc, & Davis-Floyd, R. (2009). Birth models that work. University of California Press.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Robbie Davis-Floyd. Birth Models That Work. Berkeley: University of California Press, 2009.
Cita MLA (9a ed.)
ebrary, Inc, y Robbie Davis-Floyd. Birth Models That Work. University of California Press, 2009.
Precaución: Estas citas no son 100% exactas.