Cita APA (7th ed.)
Brock, W. R. (1960). The Character of American history. Macmillan.
Cita Chicago (17th ed.)
Brock, William Renulf. The Character of American History. London: Macmillan, 1960.
Cita MLA (9th ed.)
Brock, William Renulf. The Character of American History. Macmillan, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.