Cita APA (7a ed.)

Singer, P., & Wells, D. (1985). Making babies: The new science and ethics of conception. C. Scribner's Sons.

Cita Chicago Style (17a ed.)

Singer, Peter, y Deane Wells. Making Babies: The New Science and Ethics of Conception. New York: C. Scribner's Sons, 1985.

Cita MLA (9a ed.)

Singer, Peter, y Deane Wells. Making Babies: The New Science and Ethics of Conception. C. Scribner's Sons, 1985.