Cite

Agriculture - Part of University improved dairy cattle, each giving more than 20 lbs of milk when fresh

MLA

Agriculture - Part of University Improved Dairy Cattle, Each Giving More than 20 Lbs of Milk When Fresh. 1942. https://collections.library.yale.edu/catalog/12378407.

APA, 6th edition

Agriculture - Part of University improved dairy cattle, each giving more than 20 lbs of milk when fresh. (1942). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12378407.