APA (7th ed.) Citation

Rogers, D. W., & Rogers, I. A. (1980). J. R. R. Tolkien. Hippocrene Books.

Chicago Style (17th ed.) Citation

Rogers, Deborah Webster, and Ivor A. Rogers. J. R. R. Tolkien. New York, N.Y: Hippocrene Books, 1980.

MLA (9th ed.) Citation

Rogers, Deborah Webster, and Ivor A. Rogers. J. R. R. Tolkien. Hippocrene Books, 1980.