APA (7th ed.) Citation

Simpson, C. (1974). The Lusitania. Ballantine Books.

Chicago Style (17th ed.) Citation

Simpson, Colin. The Lusitania. New York: Ballantine Books, 1974.

MLA (9th ed.) Citation

Simpson, Colin. The Lusitania. Ballantine Books, 1974.

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