APA (7th ed.) Citation

Nichols, J. P., & Nichols, R. F. (1939). The growth of American democracy: Social: economic: political. D. Appleton-Century company, incorporated.

Chicago Style (17th ed.) Citation

Nichols, Jeannette Paddock, and Roy F. Nichols. The Growth of American Democracy: Social: Economic: Political. New York, London: D. Appleton-Century company, incorporated, 1939.

MLA (9th ed.) Citation

Nichols, Jeannette Paddock, and Roy F. Nichols. The Growth of American Democracy: Social: Economic: Political. D. Appleton-Century company, incorporated, 1939.