Cita APA (7th ed.)

Brophy, J. E., Alleman, J., & Halvorsen, A. L. (2013). Powerful social studies for elementary students (Third edition.). Wadsworth Cengage Learning.

Cita Chicago (17th ed.)

Brophy, Jere E., Janet Alleman, i Anne Lise Halvorsen. Powerful Social Studies for Elementary Students. Third edition. Belmont, California: Wadsworth Cengage Learning, 2013.

Cita MLA (9th ed.)

Brophy, Jere E., et al. Powerful Social Studies for Elementary Students. Third edition. Wadsworth Cengage Learning, 2013.