APA (7th ed.) Citation

Ryan Cornelius. (1959). The Longest Day: The classic epic of D-Day June 6, 1944. Simon & Schuster Paperbacks.

Chicago Style (17th ed.) Citation

Ryan Cornelius. The Longest Day: The Classic Epic of D-Day June 6, 1944. New York: Simon & Schuster Paperbacks, 1959.

MLA (9th ed.) Citation

Ryan Cornelius. The Longest Day: The Classic Epic of D-Day June 6, 1944. Simon & Schuster Paperbacks, 1959.

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