Citazione Stile APA (7a Edizione)

Peel, J. (1969). Textbook of contraceptive practice. University press.

Citazione stile Chigago Style (17a edizione)

Peel, John. Textbook of Contraceptive Practice. Cambridge: University press, 1969.

Citatione MLA (9a ed.)

Peel, John. Textbook of Contraceptive Practice. University press, 1969.