APA (7th ed.) Citation

Guthrie, W. K. C. (1991). The sophists (1. publ. separately 1971, reprint.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Guthrie, William K. C. The Sophists. 1. publ. separately 1971, reprint. Cambridge [u.a.]: Cambridge Univ. Press, 1991.

MLA (9th ed.) Citation

Guthrie, William K. C. The Sophists. 1. publ. separately 1971, reprint. Cambridge Univ. Press, 1991.