Citazione Stile APA (7a Edizione)

Smith, N. (2003). American empire: Roosevelt's geographer and the prelude to globalization. University of California Press.

Citazione stile Chigago Style (17a edizione)

Smith, Neil. American Empire: Roosevelt's Geographer and the Prelude to Globalization. Berkeley: University of California Press, 2003.

Citatione MLA (9a ed.)

Smith, Neil. American Empire: Roosevelt's Geographer and the Prelude to Globalization. University of California Press, 2003.