The art of the impressionists.

MLA

Keller, Horst, and Alexis Brown. The Art of the Impressionists. Oxford: Phaidon, 1980.

APA

Keller, H., & Brown, A. (1980). The art of the impressionists. Oxford: Phaidon.

Chicago

Keller, Horst, and Alexis Brown. The Art of the Impressionists. Oxford: Phaidon, 1980.