Potts, M., & Wood, C. (1972). New concepts in contraception. University Park Press.
Cita Chicago Style (17a ed.)Potts, Malcolm, y Clive Wood. New Concepts in Contraception. Baltimore: University Park Press, 1972.
Cita MLA (9a ed.)Potts, Malcolm, y Clive Wood. New Concepts in Contraception. University Park Press, 1972.
Precaución: Estas citas no son 100% exactas.