"291" (Gallery), Stieglitz, A., & Norman, D. 291. Arno Press.
Chicago Style (17th ed.) Citation"291" (Gallery), Alfred Stieglitz, and Dorothy Norman. 291. New York: Arno Press.
MLA (8th ed.) Citation"291" (Gallery), et al. 291. Arno Press.
Warning: These citations may not always be 100% accurate.