APA Style

Cawthorne, N. (2012). A Brief Guide to J. R. R. Tolkien: The Unauthorized Guide to The Author of The Hobbit and The Lord of The Rings . Philadelphia: Running Press Book Publishing.

MLA Style

Cawthorne, Nigel. "A Brief Guide to J. R. R. Tolkien: The Unauthorized Guide to The Author of The Hobbit and The Lord of The Rings". Philadelphia: Running Press Book Publishing, 2012. Text.