Cita APA (7th ed.)

Thomas, D. (1980). Crescent color guide to the impressionists. Crescent Books.

Cita Chicago (17th ed.)

Thomas, Denis. Crescent Color Guide to the Impressionists. New York: Crescent Books, 1980.

Cita MLA (9th ed.)

Thomas, Denis. Crescent Color Guide to the Impressionists. Crescent Books, 1980.