Cita APA (7a ed.)
Niven, J. (1973). Gideon Welles; Lincoln's Secretary of the Navy. Oxford University Press.
Cita Chicago Style (17a ed.)
Niven, John. Gideon Welles; Lincoln's Secretary of the Navy. New York: Oxford University Press, 1973.
Cita MLA (9a ed.)
Niven, John. Gideon Welles; Lincoln's Secretary of the Navy. Oxford University Press, 1973.
Precaución: Estas citas no son 100% exactas.