Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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