U.S.P.R.R. Ex. & Surveys 32d parallel California. General Report-Plate VI. View on the Gila below the Great Bend
MLA
[A. H. Campbell]. U.S.P.R.R. Ex. & Surveys 32d parallel California. General Report-Plate VI. View on the Gila below the Great Bend. Report of explorations for railroad routes from San Francisco Bay to Los Angeles...and from the Pimas Villages to the Rio Grande...by Lieutenant John G. Parke 1854-1855. Volume VII from Reports of explorations and surveys, to ascertain the most practicab. ca. 1855. https://collections.library.yale.edu/catalog/2015781.
APA, 6th edition
[A. H. Campbell]. (["Report of explorations for railroad routes from San Francisco Bay to Los Angeles...and from the Pimas Villages to the Rio Grande...by Lieutenant John G. Parke 1854-1855. Volume VII from Reports of explorations and surveys, to ascertain the most practicab"])(ca. 1855)[U.S.P.R.R. Ex. & Surveys 32d parallel California. General Report-Plate VI. View on the Gila below the Great Bend]. https://collections.library.yale.edu/catalog/2015781.