Cita APA (7a ed.)

Rhodes, P., & Head, J. J. (1981). Childbirth. Carolina Biological Supply, Scientific Publications Department.

Cita Chicago Style (17a ed.)

Rhodes, Philip, y J. J. Head. Childbirth. Burlington, N.C.: Carolina Biological Supply, Scientific Publications Department, 1981.

Cita MLA (8a ed.)

Rhodes, Philip, y J. J. Head. Childbirth. Carolina Biological Supply, Scientific Publications Department, 1981.