Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Lee, Stuart D., y 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.

Cita MLA (8a ed.)

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