Cita APA (7a ed.)

Potts, M., Diggory, P., & Peel, J. (1977). Abortion. Cambridge University Press.

Cita Chicago Style (17a ed.)

Potts, Malcolm, Peter Diggory, y John Peel. Abortion. Cambridge [Eng.]; New York: Cambridge University Press, 1977.

Cita MLA (9a ed.)

Potts, Malcolm, et al. Abortion. Cambridge University Press, 1977.