Cita APA

Wheeler, W. B., & Becker, S. D. (1990). Discovering the American past: A look at the evidence (2nd ed.). Boston: Houghton Mifflin.

Chicago Style Citation

Wheeler, William Bruce, i Susan D. Becker. Discovering the American Past: A Look At the Evidence. 2nd ed. Boston: Houghton Mifflin, 1990.

Cita MLA

Wheeler, William Bruce, i Susan D. Becker. Discovering the American Past: A Look At the Evidence. 2nd ed. Boston: Houghton Mifflin, 1990.