APA (7th ed.) Citation

Mill, J. S., & Neff, E. (1926). On liberty, and other essays. Macmillan.

Chicago Style (17th ed.) Citation

Mill, John Stuart, and Emery Neff. On Liberty, and Other Essays. New York: Macmillan, 1926.

MLA (9th ed.) Citation

Mill, John Stuart, and Emery Neff. On Liberty, and Other Essays. Macmillan, 1926.