APA-viite (7. p.)

Barrett, K., Peters, S., Ruemmler, J. D., McBride, A., Savoy, C., Forton, G., & Tolkien, J. R. R. (1988). Treason at Helms Deep. Berkley Pub. Group.

Chicago-viite (17. p.)

Barrett, Kevin, Saul Peters, John David Ruemmler, Angus McBride, Carolyn Savoy, Gerald Forton, ja J. R. R. Tolkien. Treason at Helms Deep. New York, N.Y.: Berkley Pub. Group, 1988.

MLA-viite (8. p.)

Barrett, Kevin, et al. Treason at Helms Deep. Berkley Pub. Group, 1988.