Cite

"Student operating lathe in the Materials-Testing Laboratory"

MLA

"Student Operating Lathe in the Materials-Testing Laboratory". 1950. https://collections.library.yale.edu/catalog/16856503.

APA, 6th edition

"Student operating lathe in the Materials-Testing Laboratory". (1950). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/16856503.