MLA

Crawford, Jack Randall, 1878-. Jack Randall Crawford collection of photographs of mining operations in Arizona, Nevada and California [graphic].. 1907-1908.. https://collections.library.yale.edu/catalog/2010311.

APA, 6th edition

Crawford, Jack Randall, 1878-. (1907-1908.)[Jack Randall Crawford collection of photographs of mining operations in Arizona, Nevada and California [graphic].]. https://collections.library.yale.edu/catalog/2010311.