APA (7th ed.) Citation

Ryan. (2014). The longest day (The D-Day 70th anniversary collector's edition.). Andre Deutsch.

Chicago Style (17th ed.) Citation

Ryan. The Longest Day. The D-Day 70th anniversary collector's edition. London: Andre Deutsch, 2014.

MLA (8th ed.) Citation

Ryan. The Longest Day. The D-Day 70th anniversary collector's edition. Andre Deutsch, 2014.

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