Παραπομπή APA

Guthrie, W. (1969). History of Greek Philosophy. Cambridge University Press.

Παραπομπή Chicago Style

Guthrie, W.K.C. History of Greek Philosophy. Cambridge University Press, 1969.

Παραπομπή MLA

Guthrie, W.K.C. History of Greek Philosophy. Cambridge University Press, 1969.