Cita APA (7th ed.)

Griffiths, M. (1999). Fifty key thinkers in international relations. Routledge.

Cita Chicago (17th ed.)

Griffiths, Martin. Fifty Key Thinkers in International Relations. London: Routledge, 1999.

Cita MLA (9th ed.)

Griffiths, Martin. Fifty Key Thinkers in International Relations. Routledge, 1999.