Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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