Cite

Rand McNally standard map of North Dakota with air trails ; Rand McNally standard map of North Dakota.

MLA

McNally, Rand, and Company. Rand McNally Standard Map of North Dakota with Air Trails ; Rand McNally Standard Map of North Dakota. Rand McNally & Co., 0AD. https://collections.library.yale.edu/catalog/15814734.

APA, 6th edition

McNally, R., & C. (0 C.E.). Rand McNally standard map of North Dakota with air trails ; Rand McNally standard map of North Dakota. [Maps]. Rand McNally & Co., https://collections.library.yale.edu/catalog/15814734.