APA-Zitierstil (7. Ausg.)

Sprout, H., & Sprout, M. (1965). The ecological perspective on human affairs with special reference to international politics. Princeton University.

Chicago-Zitierstil (17. Ausg.)

Sprout, Harold, und Margaret Sprout. The Ecological Perspective on Human Affairs with Special Reference to International Politics. Princeton: Princeton University, 1965.

MLA-Zitierstil (9. Ausg.)

Sprout, Harold, und Margaret Sprout. The Ecological Perspective on Human Affairs with Special Reference to International Politics. Princeton University, 1965.