APA Edition Citation

Atkinson, R. C., Atkinson, R. L., & Smith, E. E. (1987). Introduction to psychology (9.).

Chicago Edition Citation

Atkinson, Richard C., Rita L. Atkinson, and Edward E. Smith. Introduction to Psychology. 9. London, Harcourt Brace Jovanovich Publishers, 1987.

MLA Edition Citation

Atkinson, Richard C., et al. Introduction to Psychology. 9. 1987.