Cita APA (7a ed.)

Smith, P. L., & Ragan, T. J. (1999). Instructional design (2nd edition.). Prentice Hall.

Cita Chicago Style (17a ed.)

Smith, Patricia L., y Tillman J. Ragan. Instructional Design. 2nd edition. New Jersey: Prentice Hall, 1999.

Cita MLA (9a ed.)

Smith, Patricia L., y Tillman J. Ragan. Instructional Design. 2nd edition. Prentice Hall, 1999.