Rand McNally & Co.'s new official railroad map of the United States, Canada, and Mexico.
MLA
McNally, Rand, and Company. Rand McNally & Co.'s New Official Railroad Map of the United States, Canada, and Mexico. Rand McNally, 0AD. https://collections.library.yale.edu/catalog/15603775.
APA, 6th edition
McNally, R., & C. (0 C.E.). Rand McNally & Co.'s new official railroad map of the United States, Canada, and Mexico. [Maps]. Rand McNally, https://collections.library.yale.edu/catalog/15603775.