APA (7th ed.) Citation

Ryan. (2010). The longest day: The D-Day story, june 6th, 1944. Tauris Parke Paperbacks.

Chicago Style (17th ed.) Citation

Ryan. The Longest Day: The D-Day Story, June 6th, 1944. London: Tauris Parke Paperbacks, 2010.

MLA (8th ed.) Citation

Ryan. The Longest Day: The D-Day Story, June 6th, 1944. Tauris Parke Paperbacks, 2010.

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