Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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