APA (7th ed.) Citation

Nicolson, H. (1944). Peacemaking 1919. Constable.

Chicago Style (17th ed.) Citation

Nicolson, Harold. Peacemaking 1919. London: Constable, 1944.

MLA (8th ed.) Citation

Nicolson, Harold. Peacemaking 1919. Constable, 1944.

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