Agriculture - Prize Heifer - giving 33 lbs milk daily
MLA
Agriculture - Prize Heifer - Giving 33 Lbs Milk Daily. 1942. https://collections.library.yale.edu/catalog/12378406.
APA, 6th edition
Agriculture - Prize Heifer - giving 33 lbs milk daily. (1942). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12378406.