Cita APA (7th ed.)

Palmer, R. R., & Colton, J. (1956). A history of the modern world (Second edition.). Alfred A. Knopf.

Cita Chicago (17th ed.)

Palmer, R. R., i Joel Colton. A History of the Modern World. Second edition. New York: Alfred A. Knopf, 1956.

Cita MLA (8th ed.)

Palmer, R. R., i Joel Colton. A History of the Modern World. Second edition. Alfred A. Knopf, 1956.