Citazione Stile APA (7a Edizione)

Lucas, R. (2012). U.S. history sourcebook: Basic. CK-12 Foundation.

Citazione stile Chigago Style (17a edizione)

Lucas, Rob. U.S. History Sourcebook: Basic. Palo Alto, CA: CK-12 Foundation, 2012.

Citatione MLA (9a ed.)

Lucas, Rob. U.S. History Sourcebook: Basic. CK-12 Foundation, 2012.