Map showing the different routes travelled over by the detachments of the Overland Command in the spring of 1855 : from Salt Lake City, Utah, to the Bay of San Francisco.
MLA
Map Showing the Different Routes Travelled over by the Detachments of the Overland Command in the Spring of 1855 : from Salt Lake City, Utah, to the Bay of San Francisco. s.n., 1855. https://collections.library.yale.edu/catalog/15812939.
APA, 6th edition
Map showing the different routes travelled over by the detachments of the Overland Command in the spring of 1855 : from Salt Lake City, Utah, to the Bay of San Francisco. (1855). [Maps]. s.n., https://collections.library.yale.edu/catalog/15812939.