Cite

"Making fine adjustments on his machine in the Materials-Testing Lab."

MLA

"Making Fine Adjustments on His Machine in the Materials-Testing Lab.". 1950. https://collections.library.yale.edu/catalog/16856504.

APA, 6th edition

"Making fine adjustments on his machine in the Materials-Testing Lab.". (1950). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/16856504.