APA (7th ed.) Citation

Ellis, B. E. (2000). American psycho: A novel (20. publ.). Macmillan.

Chicago Style (17th ed.) Citation

Ellis, Bret Easton. American Psycho: A Novel. 20. publ. London: Macmillan, 2000.

MLA (8th ed.) Citation

Ellis, Bret Easton. American Psycho: A Novel. 20. publ. Macmillan, 2000.

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