Citazione Stile APA (7a Edizione)

National Geographic Society (U.S.), McGraw-Hill Companies. McGraw-Hill School Division, & Banks, J. A. (2000). Regions: Adventure in time and place. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

National Geographic Society (U.S.), McGraw-Hill Companies. McGraw-Hill School Division, e James A. Banks. Regions: Adventure in Time and Place. New York, N.Y.: McGraw-Hill, 2000.

Citatione MLA (8a ed.)

National Geographic Society (U.S.), et al. Regions: Adventure in Time and Place. McGraw-Hill, 2000.