APA (7th ed.) Citation

Mill, J. S., & Laughlin, J. L. (1907). Principles of political economy. D. Appleton and company.

Chicago Style (17th ed.) Citation

Mill, John Stuart, and J. Laurence Laughlin. Principles of Political Economy. New York: D. Appleton and company, 1907.

MLA (9th ed.) Citation

Mill, John Stuart, and J. Laurence Laughlin. Principles of Political Economy. D. Appleton and company, 1907.