Cita APA (7a ed.)

Burns, M. (2005). Perilous realms: Celtic and Norse in Tolkien's Middle-earth. University of Toronto Press.

Cita Chicago Style (17a ed.)

Burns, Marjorie. Perilous Realms: Celtic and Norse in Tolkien's Middle-earth. Toronto ; Buffalo: University of Toronto Press, 2005.

Cita MLA (8a ed.)

Burns, Marjorie. Perilous Realms: Celtic and Norse in Tolkien's Middle-earth. University of Toronto Press, 2005.