Cita APA (7a ed.)

Lientz, G., Charlton, S. C., Danforth, E. T., Britton, R. H., & Tolkien, J. R. R. (1986). Rescue in Mirkwood. Berkley Books.

Cita Chicago Style (17a ed.)

Lientz, Gerald, S. Coleman Charlton, Elizabeth T. Danforth, R. H. Britton, y J. R. R. Tolkien. Rescue in Mirkwood. New York: Berkley Books, 1986.

Cita MLA (8a ed.)

Lientz, Gerald, et al. Rescue in Mirkwood. Berkley Books, 1986.