MLA

Bureau, California State Mining. Oil City Oil Field, Fresno Co., California / Issued by the State Mining Bureau ; John H. Means, Field Assistant. California State Mining Bureau?, 0AD. https://collections.library.yale.edu/catalog/15821490.

APA, 6th edition

Bureau, C. S. M. (0 C.E.). Oil City oil field, Fresno Co., California / issued by the State Mining Bureau ; John H. Means, field assistant. [Maps]. California State Mining Bureau?, https://collections.library.yale.edu/catalog/15821490.