Boyer, P. S. (1996). The enduring vision: A history of the American people (3rd ed.). Heath.
Citazione stile Chigago Style (17a edizione)Boyer, Paul S. The Enduring Vision: A History of the American People. 3rd ed. Lexington, Mass. [u.a.]: Heath, 1996.
Citatione MLA (9a ed.)Boyer, Paul S. The Enduring Vision: A History of the American People. 3rd ed. Heath, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.