APA

Lyon P., . (1963). The U. N. in action. New York: Avon Book Division, Hearst Corp.

Chicago

Lyon Peter, . 1963. The U. N. in action. New York: Avon Book Division, Hearst Corp.

Harvard

Lyon P., . (1963). The U. N. in action. New York: Avon Book Division, Hearst Corp.

MLA

Lyon Peter, . The U. N. in action. New York: Avon Book Division, Hearst Corp. 1963.