APA

Wessell N. H., . (1991). The new Europe. New York: The Academy of Political Science.

Chicago

Wessell Nils H, . 1991. The new Europe. New York: The Academy of Political Science.

Harvard

Wessell N. H., . (1991). The new Europe. New York: The Academy of Political Science.

MLA

Wessell Nils H, . The new Europe. New York: The Academy of Political Science. 1991.