Lunch time at Observation Point, Zion Canyon in distance.

Chicago citation style
Department of the Interior. National Park Service. (8/25/1916 - 8/10/1933). Lunch time at Observation Point, Zion Canyon in distance.. 1929-09-12. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/520552. (Accessed September 26, 2018.)
APA citation style
Department of the Interior. National Park Service. (8/25/1916 - 8/10/1933), (1929-09-12) Lunch time at Observation Point, Zion Canyon in distance.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/520552
MLA citation style
Department of the Interior. National Park Service. (8/25/1916 - 8/10/1933). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/520552>.
Note: These citations are programmatically generated and may be incomplete.