APA (7th ed.) Citation

Rogers, D. W., & Rogers, I. A. (1982). J.R.R. Tolkien. Hippocrene Books.

Chicago Style (17th ed.) Citation

Rogers, Deborah Webster, and Ivor A. Rogers. J.R.R. Tolkien. New York: Hippocrene Books, 1982.

MLA (8th ed.) Citation

Rogers, Deborah Webster, and Ivor A. Rogers. J.R.R. Tolkien. Hippocrene Books, 1982.