Cite

Map of Pottawattamie County, Iowa 1870.

MLA

Tostevin, David. Map of Pottawattamie County, Iowa 1870. David Tostevin :, L.P. Judson, 0AD. https://collections.library.yale.edu/catalog/15814624.

APA, 6th edition

Tostevin, D. (0 C.E.). Map of Pottawattamie County, Iowa 1870. [Maps]. David Tostevin :, L.P. Judson, https://collections.library.yale.edu/catalog/15814624.