Letter from Emperor Nicolas to the President of the United States

Chicago citation style
Department of State. 9/1789. Letter from Emperor Nicolas to the President of the United States. 1831-08-28. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6003678. (Accessed September 18, 2018.)
APA citation style
Department of State. 9/1789, (1831-08-28) Letter from Emperor Nicolas to the President of the United States. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6003678
MLA citation style
Department of State. 9/1789. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/6003678>.
Note: These citations are programmatically generated and may be incomplete.