Cita APA (7a ed.)

HUFFMAN, K., VERNOY, M., & VERNOY, J. (1997). Psychology in action.-- ed.4. John Wiley and Sons.

Cita Chicago Style (17a ed.)

HUFFMAN, Karen, Mark VERNOY, y Judith VERNOY. Psychology in Action.-- Ed.4. New York: John Wiley and Sons, 1997.

Cita MLA (9a ed.)

HUFFMAN, Karen, et al. Psychology in Action.-- Ed.4. John Wiley and Sons, 1997.