Cite

Map of the San Joaquin Valley, California / compiled and published by the Progressive Map Service.

MLA

Service, Progressive Map. Map of the San Joaquin Valley, California / Compiled and Published by the Progressive Map Service. Progressive Map Service, 0AD. https://collections.library.yale.edu/catalog/15818774.

APA, 6th edition

Service, P. M. (0 C.E.). Map of the San Joaquin Valley, California / compiled and published by the Progressive Map Service. [Maps]. Progressive Map Service, https://collections.library.yale.edu/catalog/15818774.