APA (7th ed.) Citation

Guthrie, W. K. C. (1975). A history of Greek philosophy / by W.K.C. Guthrie. C.U.P..

Chicago Style (17th ed.) Citation

Guthrie, W. K. C. A History of Greek Philosophy / by W.K.C. Guthrie. C.U.P., 1975.

MLA (9th ed.) Citation

Guthrie, W. K. C. A History of Greek Philosophy / by W.K.C. Guthrie. C.U.P., 1975.

Warning: These citations may not always be 100% accurate.