APA (7e ed.) Bronvermelding
Niven, J. (1973). Gideon Welles; Lincoln's Secretary of the Navy. Oxford University Press.
Chicago (17e ed.) Bronvermelding
Niven, John. Gideon Welles; Lincoln's Secretary of the Navy. New York: Oxford University Press, 1973.
MLA (9e ed.) Bronvermelding
Niven, John. Gideon Welles; Lincoln's Secretary of the Navy. Oxford University Press, 1973.
Let op: Deze citaties zijn niet altijd 100% accuraat.