APA (7th ed.) Citation

Hanggi, H., Roloff, R., & Ruland, J. (2006). Interregionalism and international relations. Routledge.

Chicago Style (17th ed.) Citation

Hanggi, Heiner, Ralf Roloff, and Jurgen Ruland. Interregionalism and International Relations. London: Routledge, 2006.

MLA (9th ed.) Citation

Hanggi, Heiner, et al. Interregionalism and International Relations. Routledge, 2006.