Cite

Rand McNally road map, Idaho, Montana - Wyoming / issued by Randall Motor Club, Inc. affiliated with E. Broox Randall & Sons, Inc.

MLA

McNally, Rand, and Company. Rand McNally Road Map, Idaho, Montana - Wyoming / Issued by Randall Motor Club, Inc. Affiliated with E. Broox Randall & Sons, Inc. Rand McNally, 0AD. https://collections.library.yale.edu/catalog/15818350.

APA, 6th edition

McNally, R., & C. (0 C.E.). Rand McNally road map, Idaho, Montana - Wyoming / issued by Randall Motor Club, Inc. affiliated with E. Broox Randall & Sons, Inc. [Road maps]. Rand McNally, https://collections.library.yale.edu/catalog/15818350.