APA (7th ed.) Citation

American Association for the Advancement of Science Denver, Colo, & Rosenberg, N. J. (1978). North American droughts. Westview Press.

Chicago Style (17th ed.) Citation

American Association for the Advancement of Science Denver, Colo, and Norman J. Rosenberg. North American Droughts. Boulder, Colo: Westview Press, 1978.

MLA (9th ed.) Citation

American Association for the Advancement of Science Denver, Colo, and Norman J. Rosenberg. North American Droughts. Westview Press, 1978.