APA Edition Citation

Kant, I., Gregor, M. J., & Timmermann, J. (2012). Groundwork of the metaphysics of morals (Revised edition.). CUP.

Chicago Edition Citation

Kant, Immanuel, Mary J. Gregor, and Jens Timmermann. Groundwork of the Metaphysics of Morals. Revised edition. Cambridge: CUP, 2012.

MLA Edition Citation

Kant, Immanuel, et al. Groundwork of the Metaphysics of Morals. Revised edition. CUP, 2012.