APA (7e ed.) Bronvermelding

Edwards, J. (1960). The nature of true virtue. University of Michigan Press.

Chicago (17e ed.) Bronvermelding

Edwards, Jonathan. The Nature of True Virtue. Ann Arbor, Mich: University of Michigan Press, 1960.

MLA (8e ed.) Bronvermelding

Edwards, Jonathan. The Nature of True Virtue. University of Michigan Press, 1960.