APA (7th ed.) Citation

Griffiths. (1999). Fifty key thinkers in international relation. Routledge.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

Griffiths. Fifty Key Thinkers in International Relation. Routledge, 1999.

Warning: These citations may not always be 100% accurate.