Cita APA (7a ed.)

Williams, Y. R., & Percoco, J. (2009). Teaching U.S. history beyond the textbook: Six investigative strategies, grades 5-12. Corwin Press.

Cita Chicago Style (17a ed.)

Williams, Yohuru R., y James Percoco. Teaching U.S. History Beyond the Textbook: Six Investigative Strategies, Grades 5-12. Thousand Oaks, California: Corwin Press, 2009.

Cita MLA (9a ed.)

Williams, Yohuru R., y James Percoco. Teaching U.S. History Beyond the Textbook: Six Investigative Strategies, Grades 5-12. Corwin Press, 2009.