APA (7th ed.) Citation

Richards, M. D., & Riley, P. F. (2000). Term paper resource guide to twentieth century world history (1. publ.). Greenwood Press.

Chicago Style (17th ed.) Citation

Richards, Michael D., and Philip F. Riley. Term Paper Resource Guide to Twentieth Century World History. 1. publ. Westport, Conn. [u.a.]: Greenwood Press, 2000.

MLA (9th ed.) Citation

Richards, Michael D., and Philip F. Riley. Term Paper Resource Guide to Twentieth Century World History. 1. publ. Greenwood Press, 2000.