Cita APA

Sternberg, R. J., & Williams, W. M. (2002). Educational psychology. Allyn and Bacon.

Citación estilo Chicago

Sternberg, Robert J., and Wendy M. Williams. Educational Psychology. Boston, Mass: Allyn and Bacon, 2002.

Cita MLA

Sternberg, Robert J., and Wendy M. Williams. Educational Psychology. Allyn and Bacon, 2002.