Cita APA (7a ed.)

Palmer, R., & Colton, J. (1966). A History of the Modern World (3rd ed.). Alfred A. Knopf.

Cita Chicago Style (17a ed.)

Palmer, R.R, y Joel Colton. A History of the Modern World. 3rd ed. New York: Alfred A. Knopf, 1966.

Cita MLA (9a ed.)

Palmer, R.R, y Joel Colton. A History of the Modern World. 3rd ed. Alfred A. Knopf, 1966.