Great Military Parade, El Paso, Tex.
MLA
Horne, Walter H., 1883-1921. Great Military Parade, El Paso, Tex.. Folder 5. 1915. https://collections.library.yale.edu/catalog/2015372.
APA, 6th edition
Horne, Walter H., 1883-1921. (["Folder 5"])(1915)[Great Military Parade, El Paso, Tex.]. https://collections.library.yale.edu/catalog/2015372.