Letter from John Muir to [Katharine M. Graydon], 1880 Apr 12

Chicago citation style
John Muir. Letter from John Muir to [Katharine M. Graydon], 1880 Apr 12. 1880 Apr 12. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2h4nd9rn. (Accessed December 10, 2018.)
APA citation style
John Muir, (1880 Apr 12) Letter from John Muir to [Katharine M. Graydon], 1880 Apr 12. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2h4nd9rn
MLA citation style
John Muir. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2h4nd9rn>.
Note: These citations are programmatically generated and may be incomplete.