Morgan, C. T., & King, R. A. (1971). Introduction to Psychology (4th.ed.). McGraw-Hill.

Morgan, Clifford T., and Richard A. King. Introduction to Psychology. 4th.ed. New York: McGraw-Hill, 1971.

Morgan, Clifford T., and Richard A. King. Introduction to Psychology. 4th.ed. McGraw-Hill, 1971.