Παραπομπή σε μορφή APA (7η εκδ.)

Lee, S. D., & Solopova, E. (2005). The keys of Middle-earth: Discovering medieval literature through the fiction of J.R.R. Tolkien. Palgrave Macmillan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lee, Stuart D., και Elizabeth Solopova. The Keys of Middle-earth: Discovering Medieval Literature Through the Fiction of J.R.R. Tolkien. Basingstoke [England] ; New York: Palgrave Macmillan, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lee, Stuart D., και Elizabeth Solopova. The Keys of Middle-earth: Discovering Medieval Literature Through the Fiction of J.R.R. Tolkien. Palgrave Macmillan, 2005.