Cita APA (7a ed.)

Guilford, J. P. (1967). The nature of human intelligence. McGraw-Hill.

Cita Chicago Style (17a ed.)

Guilford, J. P. The Nature of Human Intelligence. New York [etc.]: McGraw-Hill, 1967.

Cita MLA (9a ed.)

Guilford, J. P. The Nature of Human Intelligence. McGraw-Hill, 1967.