Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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