APA (7th ed.) Citation

Miller, W. M., Jr. (1968). A canticle for Leibowitz. Bantam Books.

Chicago Style (17th ed.) Citation

Miller, Walter M., Jr. A Canticle for Leibowitz. New York: Bantam Books, 1968.

MLA (8th ed.) Citation

Miller, Walter M., Jr. A Canticle for Leibowitz. Bantam Books, 1968.