Cita APA (7a ed.)

Hoffmann, S. (1981). Duties beyond borders: On the limits and possibilities of ethical international politics (1st edition.). Syracuse University Press.

Cita Chicago Style (17a ed.)

Hoffmann, Stanley. Duties Beyond Borders: On the Limits and Possibilities of Ethical International Politics. 1st edition. Syracuse (New York): Syracuse University Press, 1981.

Cita MLA (9a ed.)

Hoffmann, Stanley. Duties Beyond Borders: On the Limits and Possibilities of Ethical International Politics. 1st edition. Syracuse University Press, 1981.