APA (7th ed.) Citation

Gray, J., & Smith, G. (1991). J.S. Mill "On liberty" in focus. Routledge.

Chicago Style (17th ed.) Citation

Gray, John,, and G.W Smith. J.S. Mill "On Liberty" in Focus. London [etc.]: Routledge, 1991.

MLA (9th ed.) Citation

Gray, John,, and G.W Smith. J.S. Mill "On Liberty" in Focus. Routledge, 1991.

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