Cite

Wife + children of Dog Ears. Later I was asked for this picture as children died. 650

MLA

McClintock, Walter, 1870-1949, Pancoast, Charles R. Wife + children of Dog Ears. Later I was asked for this picture as children died. 650. Lantern slides box 14. undated. https://collections.library.yale.edu/catalog/2010458.

APA, 6th edition

McClintock, Walter, 1870-1949, & Pancoast, Charles R. (["Lantern slides box 14"])(undated)[Wife + children of Dog Ears. Later I was asked for this picture as children died. 650]. https://collections.library.yale.edu/catalog/2010458.