APA (7th ed.) Citation

Frankfurt, H. G. (2019). On truth (9. printing.). Knopf.

Chicago Style (17th ed.) Citation

Frankfurt, Harry G. On Truth. 9. printing. New York: Knopf, 2019.

MLA (9th ed.) Citation

Frankfurt, Harry G. On Truth. 9. printing. Knopf, 2019.

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