MLA

Company, Contra Costa County Title. Map of Lafayette and Vicinity : from Charles Hill to Sun Valley Estates / Compiled by Contra Costa County Title Company. The Company, 0AD. https://collections.library.yale.edu/catalog/15821438.

APA, 6th edition

Company, C. C. C. T. (0 C.E.). Map of Lafayette and vicinity : from Charles Hill to Sun Valley Estates / compiled by Contra Costa County Title Company. [Maps]. The Company, https://collections.library.yale.edu/catalog/15821438.