Wiesner, M. E., Evans, A. D., Wheeler, W. B., & Ruff, J. R. (2015). Discovering the western past: A look at the evidence, volume I (Seventh edition.). Cengage Learning.
Citazione stile Chigago Style (17a edizione)Wiesner, Merry E., Andrew D. Evans, William Bruce Wheeler, e Julius R. Ruff. Discovering the Western Past: A Look at the Evidence, Volume I. Seventh edition. Australia: Cengage Learning, 2015.
Citatione MLA (9a ed.)Wiesner, Merry E., et al. Discovering the Western Past: A Look at the Evidence, Volume I. Seventh edition. Cengage Learning, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.