Παραπομπή σε μορφή APA (7η εκδ.)

Ryan, J. S. (2009). Tolkien's view: Windows into his world. Walking Tree Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ryan, J. S. Tolkien's View: Windows into His World. Zurich: Walking Tree Publishers, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ryan, J. S. Tolkien's View: Windows into His World. Walking Tree Publishers, 2009.