Παραπομπή σε μορφή APA (7η εκδ.)

Carr, R. K. (1961). American democracy in theory and practice: Essentials of national, state and local government. Holt, Rinehart & Winston.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Carr, Robert K. American Democracy in Theory and Practice: Essentials of National, State and Local Government. New York: Holt, Rinehart & Winston, 1961.

Παραπομπή σε μορφή MLA (9th εκδ.)

Carr, Robert K. American Democracy in Theory and Practice: Essentials of National, State and Local Government. Holt, Rinehart & Winston, 1961.