Cite

The Rand-McNally standard map of Iowa.

MLA

McNally, Rand, and Company. The Rand-McNally Standard Map of Iowa. Rand-McNally, 0AD. https://collections.library.yale.edu/catalog/15827828.

APA, 6th edition

McNally, R., & C. (0 C.E.). The Rand-McNally standard map of Iowa. [Maps]. Rand-McNally, https://collections.library.yale.edu/catalog/15827828.