APA (7th ed.) Citation

Mill, J. S. (1970). Principles of political economy: With some of their applications to social philosophy. Penguin.

Chicago Style (17th ed.) Citation

Mill, John Stuart. Principles of Political Economy: With Some of Their Applications to Social Philosophy. London: Penguin, 1970.

MLA (9th ed.) Citation

Mill, John Stuart. Principles of Political Economy: With Some of Their Applications to Social Philosophy. Penguin, 1970.

Warning: These citations may not always be 100% accurate.