Cita APA (7a ed.)

Morgan, C. T., & Alexander, L. T. (1956). Introduction to psychology. McGraw-Hill.

Cita Chicago Style (17a ed.)

Morgan, Clifford Thomas, y Lawrence T. Alexander. Introduction to Psychology. New York [etc.]: McGraw-Hill, 1956.

Cita MLA (9a ed.)

Morgan, Clifford Thomas, y Lawrence T. Alexander. Introduction to Psychology. McGraw-Hill, 1956.