APA (7th ed.) Citation

Richards, M. D., & Riley, P. F. (2000). Term paper resource guide to twentieth-century world history. Greenwood Press.

Chicago Style (17th ed.) Citation

Richards, Michael D., and Philip F. Riley. Term Paper Resource Guide to Twentieth-century World History. Westport, Conn.: Greenwood Press, 2000.

MLA (9th ed.) Citation

Richards, Michael D., and Philip F. Riley. Term Paper Resource Guide to Twentieth-century World History. Greenwood Press, 2000.