Simkin, P., & Cheyney, M. (2025). The birth partner: A complete guide to childbirth for dads, partners, doulas, and other labor companions (Sixth revised edition.). Harvard Common Press.
Cita Chicago Style (17a ed.)Simkin, Penny, y Melissa Cheyney. The Birth Partner: A Complete Guide to Childbirth for Dads, Partners, Doulas, and Other Labor Companions. Sixth revised edition. Beverly, MA, USA: Harvard Common Press, 2025.
Cita MLA (8a ed.)Simkin, Penny, y Melissa Cheyney. The Birth Partner: A Complete Guide to Childbirth for Dads, Partners, Doulas, and Other Labor Companions. Sixth revised edition. Harvard Common Press, 2025.
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