Cita APA (7th ed.)

Donald, D. (1970). Charles Sumner and the rights of man ([1st ed.].). Knopf.

Cita Chicago (17th ed.)

Donald, David. Charles Sumner and the Rights of Man. [1st ed.]. New York: Knopf, 1970.

Cita MLA (8th ed.)

Donald, David. Charles Sumner and the Rights of Man. [1st ed.]. Knopf, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.