APA (7th ed.) Citation

Penn, W., & Dunn, R. S. (1981). The papers ([Rev. ed.].). University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Penn, William, and Richard S. Dunn. The Papers. [Rev. ed.]. Philadelphia, Pa: University of Pennsylvania Press, 1981.

MLA (8th ed.) Citation

Penn, William, and Richard S. Dunn. The Papers. [Rev. ed.]. University of Pennsylvania Press, 1981.