Citazione Stile APA (7a Edizione)

Baerwald, T. J., & Fraser, C. (2009). World geography: Building a global perspective ([Student text].). Pearson, in Association with DK Publishing.

Citazione stile Chigago Style (17a edizione)

Baerwald, Thomas John, e Celeste Fraser. World Geography: Building a Global Perspective. [Student text]. Upper Saddle River, New Jersey Boston, Massachusetts Glenview, Illinois Parsippany, New Jersey Shoreview, Minnesota: Pearson, in Association with DK Publishing, 2009.

Citatione MLA (9a ed.)

Baerwald, Thomas John, e Celeste Fraser. World Geography: Building a Global Perspective. [Student text]. Pearson, in Association with DK Publishing, 2009.