Citazione APA

Booth, K., Cox, M., & Dunne, T. (1998). The Eighty years' crisis: International relations 1919-1999.

Stile di citazione Chicago

Booth, Ken, Michael Cox, e Tim Dunne. The Eighty Years' Crisis: International Relations 1919-1999. United Kingdom, Cambridge university press, 1998.

Citazione MLA

Booth, Ken, et al. The Eighty Years' Crisis: International Relations 1919-1999. 1998.