Cite

941. [Brave Dogs Marching.]

MLA

McClintock, Walter, 1870-1949. 941. [Brave Dogs Marching.]. Box 68, folder 3750. undated. https://collections.library.yale.edu/catalog/2009941.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 68, folder 3750"])(undated)[941. [Brave Dogs Marching.]]. https://collections.library.yale.edu/catalog/2009941.