Cite

F1219. Astragalus. Vetch or Loco Weed. Puccorn. Black-Eyed Susan.

MLA

McClintock, Walter, 1870-1949. F1219. Astragalus. Vetch or Loco Weed. Puccorn. Black-Eyed Susan.. Box 143, folder 7295. 1912. https://collections.library.yale.edu/catalog/10452991.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 143, folder 7295"])(1912)[F1219. Astragalus. Vetch or Loco Weed. Puccorn. Black-Eyed Susan.]. https://collections.library.yale.edu/catalog/10452991.