Cita APA (7a ed.)

Peterson, M. D. (1987). The great triumvirate: Webster, Clay, and Calhoun. Oxford University Press.

Cita Chicago Style (17a ed.)

Peterson, Merrill D. The Great Triumvirate: Webster, Clay, and Calhoun. New York, New York ; Oxford, [England]: Oxford University Press, 1987.

Cita MLA (9a ed.)

Peterson, Merrill D. The Great Triumvirate: Webster, Clay, and Calhoun. Oxford University Press, 1987.