Citazione Stile APA (7a Edizione)

Gregory, C. E. (1967). The management of intelligence ; scientific problem solving and creativity. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Gregory, Carl E. The Management of Intelligence ; Scientific Problem Solving and Creativity. New York: McGraw-Hill, 1967.

Citatione MLA (9a ed.)

Gregory, Carl E. The Management of Intelligence ; Scientific Problem Solving and Creativity. McGraw-Hill, 1967.