APA (7th ed.) Citation

Fox, E. W., Genovese, E. D., & Hochberg, L. (1989). Geographic perspectives in history. Blackwell.

Chicago Style (17th ed.) Citation

Fox, Edward Whiting, Eugene D. Genovese, and Leonard Hochberg. Geographic Perspectives in History. Oxford: Blackwell, 1989.

MLA (9th ed.) Citation

Fox, Edward Whiting, et al. Geographic Perspectives in History. Blackwell, 1989.