Cite

Topographical railroad & county map of the states of California and Nevada : compiled from the latest explorations and other official information / by L. Nell.

MLA

Nell, Louis. Topographical Railroad & County Map of the States of California and Nevada : Compiled from the Latest Explorations and Other Official Information / by L. Nell. A.C. Frey & Co. ;, General agents for California, A. Roman & Co., 1868. https://collections.library.yale.edu/catalog/15821542.

APA, 6th edition

Nell, L. (1868). Topographical railroad & county map of the states of California and Nevada : compiled from the latest explorations and other official information / by L. Nell. [Maps]. A.C. Frey & Co. ;, General agents for California, A. Roman & Co., https://collections.library.yale.edu/catalog/15821542.