Cita APA (7th ed.)

Backes, M., & Dèolling, R. (1969). Art of the dark ages. H. N. Abrams.

Cita Chicago (17th ed.)

Backes, Magnus, i Regine Dèolling. Art of the Dark Ages. New York: H. N. Abrams, 1969.

Cita MLA (9th ed.)

Backes, Magnus, i Regine Dèolling. Art of the Dark Ages. H. N. Abrams, 1969.