Kamma, A., & Johnson, P. (2004). --If you lived when there was slavery in America. Scholastic.
Cita Chicago Style (17a ed.)Kamma, Anne, y Pamela Johnson. --If You Lived When There Was Slavery in America. New York: Scholastic, 2004.
Cita MLA (8a ed.)Kamma, Anne, y Pamela Johnson. --If You Lived When There Was Slavery in America. Scholastic, 2004.
Precaución: Estas citas no son 100% exactas.