APA Citation

Olson, W. C., & Groom, A. (1991). International relations then and now: Origins and trends in interpretation. London: HarperCollins Academic.

Chicago Style Citation

Olson, William C., and A.J.R Groom. International Relations Then and Now: Origins and Trends in Interpretation. London: HarperCollins Academic, 1991.

MLA Citation

Olson, William C., and A.J.R Groom. International Relations Then and Now: Origins and Trends in Interpretation. London: HarperCollins Academic, 1991.

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