Cita APA (7a ed.)

Christy, G., & Pearch, S. (1991). Step by step art school. Chartwell Books.

Cita Chicago Style (17a ed.)

Christy, Geraldine, y Sara Pearch. Step by Step Art School. Secaucus, NJ: Chartwell Books, 1991.

Cita MLA (9a ed.)

Christy, Geraldine, y Sara Pearch. Step by Step Art School. Chartwell Books, 1991.