Cita APA (7a ed.)

Clements, A., & Elliott, M. (2009). Extra credit. Atheneum Books for Young Readers : Scholastic, Inc.

Cita Chicago Style (17a ed.)

Clements, Andrew, y Mark Elliott. Extra Credit. New York: Atheneum Books for Young Readers : Scholastic, Inc, 2009.

Cita MLA (8a ed.)

Clements, Andrew, y Mark Elliott. Extra Credit. Atheneum Books for Young Readers : Scholastic, Inc, 2009.

Precaución: Estas citas no son 100% exactas.