MLA

of Southern California, Automobile Club. Road Map, Southern Section of California. Automobile Club of Southern California, 0AD. https://collections.library.yale.edu/catalog/15818666.

APA, 6th edition

of Southern California, A. C. (0 C.E.). Road map, southern section of California. [Maps]. Automobile Club of Southern California, https://collections.library.yale.edu/catalog/15818666.