APA

Baker C. E., . (1989). Human liberty and freedom of speech. New York: Oxford University Press.

Chicago

Baker C Edwin, . 1989. Human liberty and freedom of speech. New York: Oxford University Press.

Harvard

Baker C. E., . (1989). Human liberty and freedom of speech. New York: Oxford University Press.

MLA

Baker C Edwin, . Human liberty and freedom of speech. New York: Oxford University Press. 1989.