APA (7th ed.) Citation

Tolkien, J. R. R., Gilson, C., Smith, A. R., Welden, B., Hostetter, C. F., & Wynne, P. H. (2006). Early Elvish poetry and pre-Fëanorian alphabets. Tolkien Trust.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., Christopher Gilson, Arden R. Smith, Bill Welden, Carl F. Hostetter, and Patrick H. Wynne. Early Elvish Poetry and Pre-Fëanorian Alphabets. Cupertino [Calif.]: Tolkien Trust, 2006.

MLA (8th ed.) Citation

Tolkien, J. R. R., et al. Early Elvish Poetry and Pre-Fëanorian Alphabets. Tolkien Trust, 2006.