Guthrie, W. K. C., & Guthrie, W. K. C. (1980). Plato: The man and his dialogues: earlier period. Cambridge Univ. Press.
Chicago-Zitierstil (17. Ausg.)Guthrie, William Keith Chambers, und William Keith Chambers Guthrie. Plato: The Man and His Dialogues: Earlier Period. Cambridge [u.a.]: Cambridge Univ. Press, 1980.
MLA-Zitierstil (8. Ausg.)Guthrie, William Keith Chambers, und William Keith Chambers Guthrie. Plato: The Man and His Dialogues: Earlier Period. Cambridge Univ. Press, 1980.
警告：這些引文格式不一定是100％准確.