Cita APA (7th ed.)

Peel, J., & Potts, M. (1969). Textbook of contraceptive practice. Cambridge University Press.

Cita Chicago (17th ed.)

Peel, John, i Malcolm Potts. Textbook of Contraceptive Practice. London: Cambridge University Press, 1969.

Cita MLA (9th ed.)

Peel, John, i Malcolm Potts. Textbook of Contraceptive Practice. Cambridge University Press, 1969.