Cita APA (7a ed.)

Spencer, R. (1953). Pulitzer prize cartoons: The men and their masterpieces (2nd ed.). Iowa State College Press.

Cita Chicago Style (17a ed.)

Spencer, Richard. Pulitzer Prize Cartoons: The Men and Their Masterpieces. 2nd ed. Ames: Iowa State College Press, 1953.

Cita MLA (9a ed.)

Spencer, Richard. Pulitzer Prize Cartoons: The Men and Their Masterpieces. 2nd ed. Iowa State College Press, 1953.