Citazione Stile APA (7a Edizione)

Guilford, J. P. (1959). Psychometric methods. McGraw-Hill Book Company.

Citazione stile Chigago Style (17a edizione)

Guilford, J. P. Psychometric Methods. New York: McGraw-Hill Book Company, 1959.

Citatione MLA (9a ed.)

Guilford, J. P. Psychometric Methods. McGraw-Hill Book Company, 1959.