Green River. Split Mountain Canyon, cave at the right, not far from entrance to canyon. Prof. A.H. Thompson is standing with back to camera at tree before cave entrance. 1871 photo. Old nos. 341, 362, 730. No. 694 similar.

Chicago citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874). Green River. Split Mountain Canyon, cave at the right, not far from entrance to canyon. Prof. A.H. Thompson is standing with back to camera at tree before cave entrance. 1871 photo. Old nos. 341, 362, 730. No. 694 similar.. 1871-01-01/1878-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517935. (Accessed September 22, 2018.)
APA citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874), (1871-01-01/1878-12-31) Green River. Split Mountain Canyon, cave at the right, not far from entrance to canyon. Prof. A.H. Thompson is standing with back to camera at tree before cave entrance. 1871 photo. Old nos. 341, 362, 730. No. 694 similar.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517935
MLA citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/517935>.
Note: These citations are programmatically generated and may be incomplete.