Style de citation APA (7e éd.)

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.

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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