APA (7th ed.) Citation

Ruskin, J., Hayman, J., & Ruskin, J. J. (1982). Letters from the Continent 1858. University of Toronto Press.

Chicago Style (17th ed.) Citation

Ruskin, John, John Hayman, and John James Ruskin. Letters from the Continent 1858. Buffalo: University of Toronto Press, 1982.

MLA (8th ed.) Citation

Ruskin, John, et al. Letters from the Continent 1858. University of Toronto Press, 1982.