Cita APA (7a ed.)

Prelutsky, J., & Urbanovic, J. (2012). I've lost my hippopotamus. Greenwillow Books.

Cita Chicago Style (17a ed.)

Prelutsky, Jack, y Jackie Urbanovic. I've Lost My Hippopotamus. New York: Greenwillow Books, 2012.

Cita MLA (8a ed.)

Prelutsky, Jack, y Jackie Urbanovic. I've Lost My Hippopotamus. Greenwillow Books, 2012.

Precaución: Estas citas no son 100% exactas.