APA Citation

Palmer, R. R. (1971). A History of the modern world. New York: Alfred A. Knopf.

Chicago Style Citation

Palmer, R. R. A History of the Modern World. New York: Alfred A. Knopf, 1971.

MLA Citation

Palmer, R. R. A History of the Modern World. New York: Alfred A. Knopf, 1971.

Warning: These citations may not always be 100% accurate.