APA (7th ed.) Citation

Ruskin, J. (2008). The Elements of Drawing, 1857. Colour.

Chicago Style (17th ed.) Citation

Ruskin, John. "The Elements of Drawing, 1857." Colour 2008.

MLA (8th ed.) Citation

Ruskin, John. "The Elements of Drawing, 1857." Colour, 2008.

Warning: These citations may not always be 100% accurate.