Cita APA (7a ed.)

Helm, M. (1989). Mexican painters: Rivera, Orozco, Siqueiros and other artists of the social realist school. Dover.

Cita Chicago Style (17a ed.)

Helm, MacKinley. Mexican Painters: Rivera, Orozco, Siqueiros and Other Artists of the Social Realist School. New York: Dover, 1989.

Cita MLA (9a ed.)

Helm, MacKinley. Mexican Painters: Rivera, Orozco, Siqueiros and Other Artists of the Social Realist School. Dover, 1989.