Photographs of California from the United States Geological Exploration of the Fortieth Parallel [graphic].
MLA
Watkins, Carleton E., 1829-1916. Photographs of California from the United States Geological Exploration of the Fortieth Parallel [graphic].. 1870.. https://collections.library.yale.edu/catalog/2066811.
APA, 6th edition
Watkins, Carleton E., 1829-1916. (1870.)[Photographs of California from the United States Geological Exploration of the Fortieth Parallel [graphic].]. https://collections.library.yale.edu/catalog/2066811.
