Cita APA (7a ed.)

Jackson, R. H., & Sørensen, G. (1999). Introduction to international relations. Oxford University Press.

Cita Chicago Style (17a ed.)

Jackson, Robert H., y Georg Sørensen. Introduction to International Relations. Oxford [etc.]: Oxford University Press, 1999.

Cita MLA (9a ed.)

Jackson, Robert H., y Georg Sørensen. Introduction to International Relations. Oxford University Press, 1999.