Map of the lower Ojai Valley : Ventura County, Cal. / surveyed by Herbert Fryer.
MLA
Fryer, Herbert. Map of the Lower Ojai Valley : Ventura County, Cal. / Surveyed by Herbert Fryer. s.n., 189AD. https://collections.library.yale.edu/catalog/15818724.
APA, 6th edition
Fryer, H. (189 C.E.). Map of the lower Ojai Valley : Ventura County, Cal. / surveyed by Herbert Fryer. [Maps]. s.n., https://collections.library.yale.edu/catalog/15818724.