APA (7th ed.) Citation

Perry, A. (2023). The fourth enemy (First U.S. edition.). Ballantine Books.

Chicago Style (17th ed.) Citation

Perry, Anne. The Fourth Enemy. First U.S. edition. New York: Ballantine Books, 2023.

MLA (8th ed.) Citation

Perry, Anne. The Fourth Enemy. First U.S. edition. Ballantine Books, 2023.

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