Não informado. (1963). Educational psychologist. American Psychological Association.
Cita Chicago Style (17a ed.)Não informado. Educational Psychologist. Hillsdale, NJ: American Psychological Association, 1963.
Cita MLA (8a ed.)Não informado. Educational Psychologist. American Psychological Association, 1963.
Precaución: Estas citas no son 100% exactas.