Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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