APA (7th ed.) Citation

Wittig, A. F., & Belkin, G. S. (1990). Introduction to psychology. McGraw-Hill.

Chicago Style (17th ed.) Citation

Wittig, Arno F., and Gary S. Belkin. Introduction to Psychology. New York [etc.]: McGraw-Hill, 1990.

MLA (9th ed.) Citation

Wittig, Arno F., and Gary S. Belkin. Introduction to Psychology. McGraw-Hill, 1990.