Citazione Stile APA (7a Edizione)

Mill, J. S., & Himmelfarb, G. (1982). On liberty: On liberty. Penguin Books.

Citazione stile Chigago Style (17a edizione)

Mill, John Stuart, e Gertrude Himmelfarb. On Liberty: On Liberty. Harmondsworth: Penguin Books, 1982.

Citatione MLA (9a ed.)

Mill, John Stuart, e Gertrude Himmelfarb. On Liberty: On Liberty. Penguin Books, 1982.