APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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