Cita APA (7a ed.)

Petersham, M. F., & Petersham, M. (1946). An American ABC. MacMillan Company.

Cita Chicago Style (17a ed.)

Petersham, Maud Fuller, y Miska Petersham. An American ABC. New York: MacMillan Company, 1946.

Cita MLA (9a ed.)

Petersham, Maud Fuller, y Miska Petersham. An American ABC. MacMillan Company, 1946.