Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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