MLA

McClintock, Walter, 1870-1949. F304. Arrival of Medicine People. Green Willow Branches.. Box 134, folder 5838. 1903. https://collections.library.yale.edu/catalog/10451483.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 134, folder 5838"])(1903)[F304. Arrival of Medicine People. Green Willow Branches.]. https://collections.library.yale.edu/catalog/10451483.