APA (7th ed.) Citation

Greene, J., & Massignani, A. (2013). Hitler strikes north: The nazi invasion of Norway and Denmark, 9 April 1940. Frontline Books.

Chicago Style (17th ed.) Citation

Greene, Jack, and Alessandro Massignani. Hitler Strikes North: The Nazi Invasion of Norway and Denmark, 9 April 1940. Barnsley: Frontline Books, 2013.

MLA (9th ed.) Citation

Greene, Jack, and Alessandro Massignani. Hitler Strikes North: The Nazi Invasion of Norway and Denmark, 9 April 1940. Frontline Books, 2013.