Cita APA (7a ed.)

Johnson, D. D., & Johnson, B. (2010). Words: The foundation of literacy. Westview Press.

Cita Chicago Style (17a ed.)

Johnson, Dale D., y Bonnie Johnson. Words: The Foundation of Literacy. Philadelphia, PA: Westview Press, 2010.

Cita MLA (9a ed.)

Johnson, Dale D., y Bonnie Johnson. Words: The Foundation of Literacy. Westview Press, 2010.