Cita APA (7a ed.)

Hopkins, L. B., & Marchesi, S. (1992). Mama. Simon & Schuster Books for Young Readers.

Cita Chicago Style (17a ed.)

Hopkins, Lee Bennett, y Stephen Marchesi. Mama. New York: Simon & Schuster Books for Young Readers, 1992.

Cita MLA (8a ed.)

Hopkins, Lee Bennett, y Stephen Marchesi. Mama. Simon & Schuster Books for Young Readers, 1992.