APA (7th ed.) Citation

Monet, C., Degand, L., & Rouart, D. (1958). Claude Monet. Skira.

Chicago Style (17th ed.) Citation

Monet, Claude, Léon Degand, and Denis Rouart. Claude Monet. Genève [etc.]: Skira, 1958.

MLA (9th ed.) Citation

Monet, Claude, et al. Claude Monet. Skira, 1958.