Citazione Stile APA (7a Edizione)

(1972). A study of the upper limits of the development of intelligence / New York, Teachers College, Columbia University, 1924.

Citazione stile Chigago Style (17a edizione)

A Study of the Upper Limits of the Development of Intelligence / New York, Teachers College, Columbia University, 1924. 1972.

Citatione MLA (9a ed.)

A Study of the Upper Limits of the Development of Intelligence / New York, Teachers College, Columbia University, 1924. 1972.