APA Citation

Drexel, J. 1. (1991). The facts on file encyclopedia of the 20th century. New York: Facts on File.

Chicago Style Citation

Drexel, John( 1954-). The Facts On File Encyclopedia of the 20th Century. New York: Facts on File, 1991.

MLA Citation

Drexel, John( 1954-). The Facts On File Encyclopedia of the 20th Century. New York: Facts on File, 1991.

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