APA (7th ed.) Citation

Boulding, K. E. (1963). Conflict and defense: A general theory. Harper & Row.

Chicago Style (17th ed.) Citation

Boulding, Kenneth E. Conflict and Defense: A General Theory. New York, USA: Harper & Row, 1963.

MLA (9th ed.) Citation

Boulding, Kenneth E. Conflict and Defense: A General Theory. Harper & Row, 1963.