APA

Jørgensen K. E., . (2010). International relations theory. New York: Palgrave Macmillan.

Chicago

Jørgensen Knud Erik, . 2010. International relations theory. New York: Palgrave Macmillan.

Harvard

Jørgensen K. E., . (2010). International relations theory. New York: Palgrave Macmillan.

MLA

Jørgensen Knud Erik, . International relations theory. New York: Palgrave Macmillan. 2010.