APA

Wittman G., . (1976). The Role of American intelligence organizations. New York: H. W. Wilson Co.

Chicago

Wittman George, . 1976. The Role of American intelligence organizations. New York: H. W. Wilson Co.

Harvard

Wittman G., . (1976). The Role of American intelligence organizations. New York: H. W. Wilson Co.

MLA

Wittman George, . The Role of American intelligence organizations. New York: H. W. Wilson Co. 1976.