Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.