APA (7th ed.) Citation

Tolkien, J. R. R., & Beare, R. (1985). J.R.R. Tolkien's letters to Rhona Beare. New England Tolkien Society.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Rhona Beare. J.R.R. Tolkien's Letters to Rhona Beare. St. Louis, MO: New England Tolkien Society, 1985.

MLA (8th ed.) Citation

Tolkien, J. R. R., and Rhona Beare. J.R.R. Tolkien's Letters to Rhona Beare. New England Tolkien Society, 1985.