APA (7th ed.) Citation

Kant, I., Timmermann, J., & Gregor, M. J. (2011). Groundwork of the metaphysics of morals: A German-English edition. Cambridge University Press.

Chicago Style (17th ed.) Citation

Kant, Immanuel, Jens Timmermann, and Mary J. Gregor. Groundwork of the Metaphysics of Morals: A German-English Edition. Cambridge ; New York: Cambridge University Press, 2011.

MLA (8th ed.) Citation

Kant, Immanuel, et al. Groundwork of the Metaphysics of Morals: A German-English Edition. Cambridge University Press, 2011.