APA (7th ed.) Citation

Churchill, W., & Churchill, R. S. (1938). While England slept: A survey of world affairs, 1932-1938. G.P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Churchill, Winston, and Randolph S. Churchill. While England Slept: A Survey of World Affairs, 1932-1938. New York: G.P. Putnam's Sons, 1938.

MLA (9th ed.) Citation

Churchill, Winston, and Randolph S. Churchill. While England Slept: A Survey of World Affairs, 1932-1938. G.P. Putnam's Sons, 1938.