Cita APA (7a ed.)

Dunn, M. M., & Dunn, R. S. (1986). The World of William Penn. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Dunn, Mary Maples, y Richard S. Dunn. The World of William Penn. Philadelphia: University of Pennsylvania Press, 1986.

Cita MLA (8a ed.)

Dunn, Mary Maples, y Richard S. Dunn. The World of William Penn. University of Pennsylvania Press, 1986.