Cita APA (7a ed.)

Dahl, M., & Vidal, O. (2010). Duck goes potty. Picture Window Books.

Cita Chicago Style (17a ed.)

Dahl, Michael, y Oriol Vidal. Duck Goes Potty. Mankato, Minn.: Picture Window Books, 2010.

Cita MLA (8a ed.)

Dahl, Michael, y Oriol Vidal. Duck Goes Potty. Picture Window Books, 2010.