MLA

Bureau, California State Mining. County of Nevada, California / Issued by the State Mining Bureau ; A.S. Cooper, State Mineralogist. State Mining Bureau, 1900. https://collections.library.yale.edu/catalog/15818721.

APA, 6th edition

Bureau, C. S. M. (1900). County of Nevada, California / issued by the State Mining Bureau ; A.S. Cooper, State Mineralogist. [Maps]. State Mining Bureau, https://collections.library.yale.edu/catalog/15818721.