Cita APA (7a ed.)

Mill, J. S. (2001). The Principles of political economy. Batoche.

Cita Chicago Style (17a ed.)

Mill, John Stuart. The Principles of Political Economy. Kitchener, Ont.: Batoche, 2001.

Cita MLA (9a ed.)

Mill, John Stuart. The Principles of Political Economy. Batoche, 2001.