APA (7th ed.) Citation

Hawkins, D. J. B. (1968). A sketch of mediaeval philosophy. Greenwood Press.

Chicago Style (17th ed.) Citation

Hawkins, D. J. B. A Sketch of Mediaeval Philosophy. New York: Greenwood Press, 1968.

MLA (9th ed.) Citation

Hawkins, D. J. B. A Sketch of Mediaeval Philosophy. Greenwood Press, 1968.