APA (7th ed.) Citation

Kant, I., Johnston, I., & Orend, B. (2015). On perpetual peace: A philosophical sketch. Broadview Editions.

Chicago Style (17th ed.) Citation

Kant, Immanuel, Ian Johnston, and Brian Orend. On Perpetual Peace: A Philosophical Sketch. Peterborough, Ontario: Broadview Editions, 2015.

MLA (8th ed.) Citation

Kant, Immanuel, et al. On Perpetual Peace: A Philosophical Sketch. Broadview Editions, 2015.