San Joaquin County / Map issued by California State Automobile Association.
MLA
Association, California State Automobile. San Joaquin County / Map Issued by California State Automobile Association. California State Automobile Association, 0AD. https://collections.library.yale.edu/catalog/15821533.
APA, 6th edition
Association, C. S. A. (0 C.E.). San Joaquin County / Map issued by California State Automobile Association. [Maps]. California State Automobile Association, https://collections.library.yale.edu/catalog/15821533.