Cita APA

Hilgard, E. R., Atkinson, R. C., & Atkinson, R. L. (1975). Introduction to psychology. HBJ.

Chicago Edition Citation

Hilgard, Ernest R., Richard C. Atkinson, i Rita L. Atkinson. Introduction to Psychology. New York: HBJ, 1975.

Cita MLA

Hilgard, Ernest R., et al. Introduction to Psychology. HBJ, 1975.