Citazione Stile APA (7a Edizione)

Guthrie, W. K. C. (1965). A history of greek philosophy. Cambridge University.

Citazione stile Chigago Style (17a edizione)

Guthrie, William K. C. A History of Greek Philosophy. Londres: Cambridge University, 1965.

Citatione MLA (9a ed.)

Guthrie, William K. C. A History of Greek Philosophy. Cambridge University, 1965.