APA

Nicholson M., . (1998). International relations: A concise introduction. : Palgrave, New York.

Chicago

Nicholson Michael, . 1998. International relations: A concise introduction. : Palgrave, New York.

Harvard

Nicholson M., . (1998). International relations: A concise introduction. : Palgrave, New York.

MLA

Nicholson Michael, . International relations: A concise introduction. : Palgrave, New York. 1998.