Johnston, John H.
MLA
Whitman, Walt, 1819-1892. Johnston, John H.. Box 2, folder 67. 1876-90. https://collections.library.yale.edu/catalog/2053701.
APA, 6th edition
Whitman, Walt, 1819-1892. (["Box 2, folder 67"])(1876-90)[Johnston, John H.]. https://collections.library.yale.edu/catalog/2053701.