APA (7th ed.) Citation

Williams, T. C. (1968). The concept of the categorical imperative.

Chicago Style (17th ed.) Citation

Williams, Terence C. The Concept of the Categorical Imperative. 1968.

MLA (9th ed.) Citation

Williams, Terence C. The Concept of the Categorical Imperative. 1968.

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