San Bernardino County.
MLA
of Southern California, Automobile Club. San Bernardino County. The Club, 0AD. https://collections.library.yale.edu/catalog/15821525.
APA, 6th edition
of Southern California, A. C. (0 C.E.). San Bernardino County. [Maps]. The Club, https://collections.library.yale.edu/catalog/15821525.