APA

Schuman F. L., . (19681969). International politics: anarchy and order in the world society. New York: McGraw-Hill.

Chicago

Schuman Frederick Lewis, . 19681969. International politics: anarchy and order in the world society. New York: McGraw-Hill.

Harvard

Schuman F. L., . (19681969). International politics: anarchy and order in the world society. New York: McGraw-Hill.

MLA

Schuman Frederick Lewis, . International politics: anarchy and order in the world society. New York: McGraw-Hill. 19681969.