G923g. Our Horse Picketed.
MLA
McClintock, Walter, 1870-1949. G923g. Our Horse Picketed.. Box 115, folder 5403. 1909 Summer. https://collections.library.yale.edu/catalog/10451205.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 115, folder 5403"])(1909 Summer)[G923g. Our Horse Picketed.]. https://collections.library.yale.edu/catalog/10451205.