APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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