Cita APA (7a ed.)

Dorros, A., & Greenseid, D. (2002). When the pigs took over. Dutton Children's Books.

Cita Chicago Style (17a ed.)

Dorros, Arthur, y Diane Greenseid. When the Pigs Took over. New York: Dutton Children's Books, 2002.

Cita MLA (8a ed.)

Dorros, Arthur, y Diane Greenseid. When the Pigs Took over. Dutton Children's Books, 2002.

Precaución: Estas citas no son 100% exactas.