Cita APA

Gagné, E. D., Yekovich, C. W., & Yekovich, F. R. (1993). The cognitive psychology of school learning (2a. ed.). Harpers Collins.

Citación estilo Chicago

Gagné, Ellen D., Carol Walker Yekovich, and Frank R. Yekovich. The Cognitive Psychology of School Learning. 2a. ed. Nueva York: Harpers Collins, 1993.

Cita MLA

Gagné, Ellen D., et al. The Cognitive Psychology of School Learning. 2a. ed. Harpers Collins, 1993.