Robbins, [Leona?]
MLA
Henri, Robert, 1865-1929. Robbins, [Leona?]. Box 8, folder 209. [1913?], n.d.. https://collections.library.yale.edu/catalog/32293904.
APA, 6th edition
Henri, Robert, 1865-1929. (["Box 8, folder 209"])([1913?], n.d.)[Robbins, [Leona?]]. https://collections.library.yale.edu/catalog/32293904.