Prescription signed by R[ichard] M[aurice] Bucke
MLA
Whitman, Walt, 1819-1892. Prescription signed by R[ichard] M[aurice] Bucke. Box 4, folder 203. n.d.. https://collections.library.yale.edu/catalog/2053832.
APA, 6th edition
Whitman, Walt, 1819-1892. (["Box 4, folder 203"])(n.d.)[Prescription signed by R[ichard] M[aurice] Bucke]. https://collections.library.yale.edu/catalog/2053832.