APA (7th ed.) Citation

Ryan, C. (1994). The longest day: June 6, 1944 (1st Touchstone ed.). Simon and Schuster.

Chicago Style (17th ed.) Citation

Ryan, Cornelius. The Longest Day: June 6, 1944. 1st Touchstone ed. New York: Simon and Schuster, 1994.

MLA (8th ed.) Citation

Ryan, Cornelius. The Longest Day: June 6, 1944. 1st Touchstone ed. Simon and Schuster, 1994.

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