Cita APA (7a ed.)

Savage, T. V., & Armstrong, D. G. (2008). Effective teaching in elementary social studies (6th ed.). Pearson/Merrill Prentice Hall.

Cita Chicago Style (17a ed.)

Savage, Tom V., y David G. Armstrong. Effective Teaching in Elementary Social Studies. 6th ed. Upper Saddle River, N.J: Pearson/Merrill Prentice Hall, 2008.

Cita MLA (9a ed.)

Savage, Tom V., y David G. Armstrong. Effective Teaching in Elementary Social Studies. 6th ed. Pearson/Merrill Prentice Hall, 2008.