Cita APA (7a ed.)

Willems, M., & Muth, J. J. (2010). City Dog, Country Frog. Hyperion Books for Children.

Cita Chicago Style (17a ed.)

Willems, Mo, y Jon J. Muth. City Dog, Country Frog. New York: Hyperion Books for Children, 2010.

Cita MLA (8a ed.)

Willems, Mo, y Jon J. Muth. City Dog, Country Frog. Hyperion Books for Children, 2010.

Precaución: Estas citas no son 100% exactas.