Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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