APA (7th ed.) Citation

Bonar, J. (1922). Philosophy and political economy: In some of their historical relations (3rd ed.). Allen and Unwin.

Chicago Style (17th ed.) Citation

Bonar, James. Philosophy and Political Economy: In Some of Their Historical Relations. 3rd ed. London: Allen and Unwin, 1922.

MLA (9th ed.) Citation

Bonar, James. Philosophy and Political Economy: In Some of Their Historical Relations. 3rd ed. Allen and Unwin, 1922.