APA (7th ed.) Citation

Eckstein, H. (1980). The natural history of congruence theory. Graduate School of International Studies, University of Denver.

Chicago Style (17th ed.) Citation

Eckstein, Harry. The Natural History of Congruence Theory. Denver, Colo.: Graduate School of International Studies, University of Denver, 1980.

MLA (9th ed.) Citation

Eckstein, Harry. The Natural History of Congruence Theory. Graduate School of International Studies, University of Denver, 1980.