APA Edition Citation

Armstrong, A. H. (1968). Introduction to ancient philosophy (3rd. ed.). Methuen & Co..

Chicago Edition Citation

Armstrong, A. H. Introduction to Ancient Philosophy. 3rd. ed. Methuen & Co., 1968.

MLA Edition Citation

Armstrong, A. H. Introduction to Ancient Philosophy. 3rd. ed. Methuen & Co., 1968.

Warning: These citations may not always be 100% accurate.