Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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