Letter from John Muir to [Harry Fielding] Reid, 1891 Oct 20

Chicago citation style
John Muir. Letter from John Muir to [Harry Fielding] Reid, 1891 Oct 20. 2008. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r611. (Accessed December 10, 2018.)
APA citation style
John Muir, (2008) Letter from John Muir to [Harry Fielding] Reid, 1891 Oct 20. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r611
MLA citation style
John Muir. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2j49r611>.
Note: These citations are programmatically generated and may be incomplete.