APA (7th ed.) Citation

Nicolson, H. (1948). The Congress of Vienna: A study in allied unity, 1812-1822. Readers Union.

Chicago Style (17th ed.) Citation

Nicolson, Harold. The Congress of Vienna: A Study in Allied Unity, 1812-1822. London: Readers Union, 1948.

MLA (8th ed.) Citation

Nicolson, Harold. The Congress of Vienna: A Study in Allied Unity, 1812-1822. Readers Union, 1948.

Warning: These citations may not always be 100% accurate.