Rand McNally & Co.'s South Dakota.
MLA
McNally, Rand, and Company. Rand McNally & Co.'s South Dakota. Rand McNally, 0AD. https://collections.library.yale.edu/catalog/15814744.
APA, 6th edition
McNally, R., & C. (0 C.E.). Rand McNally & Co.'s South Dakota. [Maps]. Rand McNally, https://collections.library.yale.edu/catalog/15814744.