APA (7th ed.) Citation

Friedrichs. (2004). European approaches to international relations theory: A house with many mansions. Rouledge.

Chicago Style (17th ed.) Citation

Friedrichs. European Approaches to International Relations Theory: A House with Many Mansions. London: Rouledge, 2004.

MLA (9th ed.) Citation

Friedrichs. European Approaches to International Relations Theory: A House with Many Mansions. Rouledge, 2004.

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