Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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