APA Citation

Armstrong, A. H. (1947). An introduction to Ancient philosophy (3rd ed.). London: Methuen & Co. Ltd..

Chicago Style Citation

Armstrong, A. H. An Introduction to Ancient Philosophy. 3rd ed. London: Methuen & Co. Ltd., 1947.

MLA Citation

Armstrong, A. H. An Introduction to Ancient Philosophy. 3rd ed. London: Methuen & Co. Ltd., 1947.

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