Presidential Proclamation 2578 of March 15, 1943, by President Franklin D. Roosevelt establishing Jackson Hole National Monument.

Chicago citation style
National Archives and Records Administration. Office of the Federal Register. 4/1/1985. Presidential Proclamation 2578 of March 15, 1943, by President Franklin D. Roosevelt establishing Jackson Hole National Monument.. 1943-03-15. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/299969. (Accessed October 16, 2018.)
APA citation style
National Archives and Records Administration. Office of the Federal Register. 4/1/1985, (1943-03-15) Presidential Proclamation 2578 of March 15, 1943, by President Franklin D. Roosevelt establishing Jackson Hole National Monument.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/299969
MLA citation style
National Archives and Records Administration. Office of the Federal Register. 4/1/1985. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/299969>.
Note: These citations are programmatically generated and may be incomplete.