APA (7th ed.) Citation

Boulding, K. E. (1986). Peace, justice, freedom, and competence. Zygon, 21, 519-533.

Chicago Style (17th ed.) Citation

Boulding, Kenneth E. "Peace, Justice, Freedom, and Competence." Zygon 21 (1986): 519-533.

MLA (8th ed.) Citation

Boulding, Kenneth E. "Peace, Justice, Freedom, and Competence." Zygon, vol. 21, 1986, pp. 519-533.