People from Pittsburgh University attending a science conference at Lingnan
MLA
People from Pittsburgh University Attending a Science Conference at Lingnan. 1933. https://collections.library.yale.edu/catalog/12375374.
APA, 6th edition
People from Pittsburgh University attending a science conference at Lingnan. (1933). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12375374.