Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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