APA (7th ed.) Citation

Williams, G. (1991). Political theory in retrospect: From the ancient Greeks to the 20th century. E. Elgar Pub..

Chicago Style (17th ed.) Citation

Williams, Geraint. Political Theory in Retrospect: From the Ancient Greeks to the 20th Century. Aldershot, Hants, England ; Brookfield, Vt., USA: E. Elgar Pub., 1991.

MLA (9th ed.) Citation

Williams, Geraint. Political Theory in Retrospect: From the Ancient Greeks to the 20th Century. E. Elgar Pub., 1991.