APA

Churchman C. W., . (1968). Challenge to reason. New York: McGraw-Hill.

Chicago

Churchman C West, . 1968. Challenge to reason. New York: McGraw-Hill.

Harvard

Churchman C. W., . (1968). Challenge to reason. New York: McGraw-Hill.

MLA

Churchman C West, . Challenge to reason. New York: McGraw-Hill. 1968.