Cita APA (7a ed.)

Savage, T. V., & Armstrong, D. G. (1987). Effective teaching in elementary social studies. Macmillan.

Cita Chicago Style (17a ed.)

Savage, Tom V., y David G. Armstrong. Effective Teaching in Elementary Social Studies. New York: Macmillan, 1987.

Cita MLA (9a ed.)

Savage, Tom V., y David G. Armstrong. Effective Teaching in Elementary Social Studies. Macmillan, 1987.