Gardner, J., & Antonucci, E. (1989). Grendel (Vintage Books edition.). Auwsf (023063-6).
Cita Chicago (17th ed.)Gardner, John, i Emil Antonucci. Grendel. Vintage Books edition. New York: Auwsf (023063-6), 1989.
Cita MLA (9th ed.)Gardner, John, i Emil Antonucci. Grendel. Vintage Books edition. Auwsf (023063-6), 1989.
Atenció: Aquestes cites poden no estar 100% correctes.