APA (7th ed.) Citation

Penny, L. (2021). The madness of crowds (First U.S. edition.). Minotaur Books.

Chicago Style (17th ed.) Citation

Penny, Louise. The Madness of Crowds. First U.S. edition. New York: Minotaur Books, 2021.

MLA (8th ed.) Citation

Penny, Louise. The Madness of Crowds. First U.S. edition. Minotaur Books, 2021.

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