APA (7e ed.) Bronvermelding

Boulding, K. E. (1962). Conflict and defense: A general theory. Harper torchbooks.

Chicago (17e ed.) Bronvermelding

Boulding, Kenneth E. Conflict and Defense: A General Theory. New York: Harper torchbooks, 1962.

MLA (9e ed.) Bronvermelding

Boulding, Kenneth E. Conflict and Defense: A General Theory. Harper torchbooks, 1962.