National Farm and Herd Management, Inc.
MLA
Huntington, Ellsworth, 1876-1947. National Farm and Herd Management, Inc.. Box 73, folder 2807. 1934. https://collections.library.yale.edu/catalog/32505838.
APA, 6th edition
Huntington, Ellsworth, 1876-1947. (["Box 73, folder 2807"])(1934)[National Farm and Herd Management, Inc.]. https://collections.library.yale.edu/catalog/32505838.