Cita APA (7th ed.)

Mill, J. S., & Winch, D. (1970). Principles of Political Economy. Penguin Books.

Cita Chicago (17th ed.)

Mill, John Stuart, i Donald Winch. Principles of Political Economy. Harmondsworth: Penguin Books, 1970.

Cita MLA (9th ed.)

Mill, John Stuart, i Donald Winch. Principles of Political Economy. Penguin Books, 1970.