APA način citiranja (7. izdanje)

O'Day, J. E. (2004). The ring of truth: Truth and wisdom in J.R.R. Tolkien's The lord of the rings. Xulon Press.

Čikaški stil citiranja (17. izdanje)

O'Day, Joseph E. The Ring of Truth: Truth and Wisdom in J.R.R. Tolkien's The Lord of the Rings. [Longwood, FL]: Xulon Press, 2004.

MLA način citiranja (8. izdanje)

O'Day, Joseph E. The Ring of Truth: Truth and Wisdom in J.R.R. Tolkien's The Lord of the Rings. Xulon Press, 2004.