Cita APA (7a ed.)

Swan, D. K., West, M., & James, J. (1996). King Arthur and the knights of the round table (Twelfth impression.).

Cita Chicago Style (17a ed.)

Swan, D. K., Michael West, y John James. King Arthur and the Knights of the Round Table. Twelfth impression. 1996.

Cita MLA (9a ed.)

Swan, D. K., et al. King Arthur and the Knights of the Round Table. Twelfth impression. 1996.