APA (7th ed.) Citation

Baldwin, H. W. (1976). The crucial years, 1939-1941 : the world at war / (by) Hanson W. Baldwin: The world at war. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Baldwin, Hanson Weightman. The Crucial Years, 1939-1941 : The World at War / (by) Hanson W. Baldwin: The World at War. London: Weidenfeld and Nicolson, 1976.

MLA (9th ed.) Citation

Baldwin, Hanson Weightman. The Crucial Years, 1939-1941 : The World at War / (by) Hanson W. Baldwin: The World at War. Weidenfeld and Nicolson, 1976.

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