Letter from [John Muir] to [Abbigail A.] Allen, 1904 Dec 27

Chicago citation style
John Muir. Letter from [John Muir] to [Abbigail A.] Allen, 1904 Dec 27. 2008. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r5rd. (Accessed December 15, 2018.)
APA citation style
John Muir, (2008) Letter from [John Muir] to [Abbigail A.] Allen, 1904 Dec 27. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r5rd
MLA citation style
John Muir. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2j49r5rd>.
Note: These citations are programmatically generated and may be incomplete.