Cita APA

Gagne, E. D., Yekovich, C. W., & Yekovich, F. R. (1993). The cognitive psychology of school learning (2nd ed.). HarperCollins College Publishers.

Citación estilo Chicago

Gagne, Ellen D., Carol Walker Yekovich, and Frank R. Yekovich. The Cognitive Psychology of School Learning. 2nd ed. New York: HarperCollins College Publishers, 1993.

Cita MLA

Gagne, Ellen D., et al. The Cognitive Psychology of School Learning. 2nd ed. HarperCollins College Publishers, 1993.