Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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