APA (7th ed.) Citation

Rackham, A., Spero, J., & Wagner, R. (1979). Rackham's Color illustrations for Wagner's "Ring". Dover.

Chicago Style (17th ed.) Citation

Rackham, Arthur, James Spero, and Richard Wagner. Rackham's Color Illustrations for Wagner's "Ring". New York: Dover, 1979.

MLA (9th ed.) Citation

Rackham, Arthur, et al. Rackham's Color Illustrations for Wagner's "Ring". Dover, 1979.