Cita APA

Griffiths, M., & Roach, S. C. (2009). Fifty key thinkers in international relations (2nd.). Routledge.

Citación estilo Chicago

Griffiths, Martin, y Steven C. Roach. Fifty Key Thinkers in International Relations. 2nd. London: Routledge, 2009.

Cita MLA

Griffiths, Martin, y Steven C. Roach. Fifty Key Thinkers in International Relations. 2nd. Routledge, 2009.