20 Years/20 Artists Aspen Art Museum, Aspen, Colo, Feldman, S., & Hobbs, R. C. (1999). 20 Years/20 Artists. Aspen Art Museum ; University of Washington Press.
Chicago Style (17th ed.) Citation20 Years/20 Artists Aspen Art Museum, Aspen, Colo, Suzanne Feldman, and Robert Carleton Hobbs. 20 Years/20 Artists. Aspen, Colo. : Seattle: Aspen Art Museum ; University of Washington Press, 1999.
MLA (9th ed.) Citation20 Years/20 Artists Aspen Art Museum, Aspen, Colo, et al. 20 Years/20 Artists. Aspen Art Museum ; University of Washington Press, 1999.
Warning: These citations may not always be 100% accurate.