APA

Childs Kohn G., Scully M., . (2008). Encyclopedia of plague and pestilence. New York: Facts On File.

Chicago

Childs Kohn George, Scully Mary-Louise, . 2008. Encyclopedia of plague and pestilence. New York: Facts On File.

Harvard

Childs Kohn G., Scully M., . (2008). Encyclopedia of plague and pestilence. New York: Facts On File.

MLA

Childs Kohn George, Scully Mary-Louise, . Encyclopedia of plague and pestilence. New York: Facts On File. 2008.