Cita APA (7a ed.)

Nicolson, H. (1969). The Congress of Vienna: A study in Allied Unity, 1812-1822. Viking.

Cita Chicago Style (17a ed.)

Nicolson, Harold. The Congress of Vienna: A Study in Allied Unity, 1812-1822. New York: Viking, 1969.

Cita MLA (9a ed.)

Nicolson, Harold. The Congress of Vienna: A Study in Allied Unity, 1812-1822. Viking, 1969.