Letter from Casper Whitney to John Muir, 1906 Feb 19

Chicago citation style
Casper Whitney. Letter from Casper Whitney to John Muir, 1906 Feb 19. 1906 Feb 19. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r5tf. (Accessed December 16, 2018.)
APA citation style
Casper Whitney, (1906 Feb 19) Letter from Casper Whitney to John Muir, 1906 Feb 19. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r5tf
MLA citation style
Casper Whitney. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2j49r5tf>.
Note: These citations are programmatically generated and may be incomplete.