APA način citiranja (7. izdanje)

Zettersten, A. (2011). J.R.R. Tolkien's double worlds and creative process: Language and life. Palgrave Macmillan.

Čikaški stil citiranja (17. izdanje)

Zettersten, Arne. J.R.R. Tolkien's Double Worlds and Creative Process: Language and Life. New York: Palgrave Macmillan, 2011.

MLA način citiranja (8. izdanje)

Zettersten, Arne. J.R.R. Tolkien's Double Worlds and Creative Process: Language and Life. Palgrave Macmillan, 2011.