APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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