APA (7th ed.) Citation

Nicolson, H. (1945). Peacemaking 1919. Constable.

Chicago Style (17th ed.) Citation

Nicolson, Harold. Peacemaking 1919. London: Constable, 1945.

MLA (8th ed.) Citation

Nicolson, Harold. Peacemaking 1919. Constable, 1945.

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