Cita APA (7th ed.)

Emmett, J., & Bernatene, P. (2011). The princess and the pig. Walker.

Cita Chicago (17th ed.)

Emmett, Jonathan, i Poly Bernatene. The Princess and the Pig. New York: Walker, 2011.

Cita MLA (8th ed.)

Emmett, Jonathan, i Poly Bernatene. The Princess and the Pig. Walker, 2011.