U.S.P.R.R. Ex. & Surveys 32d parallel California. General Report, Plate V.I. Valley of the Aravaypa from Bear Springs
MLA
Campbell, A. H. U.S.P.R.R. Ex. & Surveys 32d Parallel California. General Report, Plate V.I. Valley of the Aravaypa from Bear Springs. 0AD. https://collections.library.yale.edu/catalog/2015783.
APA, 6th edition
Campbell, A. H. (0 C.E.). U.S.P.R.R. Ex. & Surveys 32d parallel California. General Report, Plate V.I. Valley of the Aravaypa from Bear Springs [Lithographs, Planographic prints]. https://collections.library.yale.edu/catalog/2015783.