Citazione Stile APA (7a Edizione)

Downey, M. T. (2006). Contemporary's American history. Wright Group, McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Downey, Matthew T. Contemporary's American History. Chicago, IL: Wright Group, McGraw-Hill, 2006.

Citatione MLA (9a ed.)

Downey, Matthew T. Contemporary's American History. Wright Group, McGraw-Hill, 2006.