Agua Frio Mill
MLA
Watkins, Carleton E., 1829-1916. Agua Frio Mill. Folder 1. [ca. 1860-1861]. https://collections.library.yale.edu/catalog/2017777.
APA, 6th edition
Watkins, Carleton E., 1829-1916. (["Folder 1"])([ca. 1860-1861])[Agua Frio Mill]. https://collections.library.yale.edu/catalog/2017777.