APA (7th ed.) Citation

Allaby, M. (2003). Droughts (rev. ed.). Facts on File.

Chicago Style (17th ed.) Citation

Allaby, Michael. Droughts. rev. ed. New York [u.a.]: Facts on File, 2003.

MLA (9th ed.) Citation

Allaby, Michael. Droughts. rev. ed. Facts on File, 2003.