APA (7th ed.) Citation

Walton, P. H., & Ruskin, J. (1972). The drawings of John Ruskin. Clarendon Press.

Chicago Style (17th ed.) Citation

Walton, Paul H., and John Ruskin. The Drawings of John Ruskin. Oxford: Clarendon Press, 1972.

MLA (9th ed.) Citation

Walton, Paul H., and John Ruskin. The Drawings of John Ruskin. Clarendon Press, 1972.