Cite

Rand McNally standard map of Oregon with air trails.

MLA

McNally, Rand, and Company. Rand McNally Standard Map of Oregon with Air Trails. Rand McNally, 0AD. https://collections.library.yale.edu/catalog/15821583.

APA, 6th edition

McNally, R., & C. (0 C.E.). Rand McNally standard map of Oregon with air trails. [Maps]. Rand McNally, https://collections.library.yale.edu/catalog/15821583.