TheOneRing.net (Firm), Broadway, C., & Challis, E. (2003). The people's guide to J.R.R. Tolkien. Cold Spring Press.
Chicago Style (17th ed.) CitationTheOneRing.net (Firm), Cliff Broadway, and Erica Challis. The People's Guide to J.R.R. Tolkien. Cold Spring Harbor, NY: Cold Spring Press, 2003.
MLA (8th ed.) CitationTheOneRing.net (Firm), et al. The People's Guide to J.R.R. Tolkien. Cold Spring Press, 2003.
Warning: These citations may not always be 100% accurate.