Agriculture - L. to R.: a) Chinese native cow giving 7 lbs milk daily b) First generation improved cow giving 20 lbs. milk daily c) 2nd generation giving 33 lbs daily
MLA
Agriculture - L. to R.: a) Chinese Native Cow Giving 7 Lbs Milk Daily b) First Generation Improved Cow Giving 20 Lbs. Milk Daily c) 2nd Generation Giving 33 Lbs Daily. 1942. https://collections.library.yale.edu/catalog/12378408.
APA, 6th edition
Agriculture - L. to R.: a) Chinese native cow giving 7 lbs milk daily b) First generation improved cow giving 20 lbs. milk daily c) 2nd generation giving 33 lbs daily. (1942). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12378408.
