APA引文
ebrary, Inc, Gray, J., & Smith, G. W. (1991). J.S. Mill's On liberty in focus. Routledge.
Chicago Style (17th ed.) Citation
ebrary, Inc, John Gray, and G. W. Smith. J.S. Mill's On Liberty in Focus. London ; New York: Routledge, 1991.
MLA引文
ebrary, Inc, et al. J.S. Mill's On Liberty in Focus. Routledge, 1991.
警告：這些引文格式不一定是100％准確.