Cita APA (7a ed.)

Guilford, J. P. (1966). Fields of psychology (3. ed.). Van Nostrand Comp.

Cita Chicago Style (17a ed.)

Guilford, Joy Paul. Fields of Psychology. 3. ed. Toronto [u.a.]: Van Nostrand Comp, 1966.

Cita MLA (8a ed.)

Guilford, Joy Paul. Fields of Psychology. 3. ed. Van Nostrand Comp, 1966.