APA (7th ed.) Citation

Douglas, R. (1978). The advent of war: 1939 - 40. Macmillan.

Chicago Style (17th ed.) Citation

Douglas, Roy. The Advent of War: 1939 - 40. London: Macmillan, 1978.

MLA (8th ed.) Citation

Douglas, Roy. The Advent of War: 1939 - 40. Macmillan, 1978.

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