APA (7th ed.) Citation

Churchill, W. (1949). The second world war. 2, Their finest hour. Cassell.

Chicago Style (17th ed.) Citation

Churchill, Winston. The Second World War. 2, Their Finest Hour. London: Cassell, 1949.

MLA (8th ed.) Citation

Churchill, Winston. The Second World War. 2, Their Finest Hour. Cassell, 1949.