Cita APA

Kertell, L. M., & Maslen, J. R. (2006). Bob books. New York: Scholastic.

Citación estilo Chicago

Kertell, Lynn Maslen, and John R. Maslen. Bob Books. New York: Scholastic, 2006.

Cita MLA

Kertell, Lynn Maslen, and John R. Maslen. Bob Books. New York: Scholastic, 2006.