Cite

F5x7-66. Portrait of Horn, a Hunter, Trapper, and Friend of Mad Wolf.

MLA

McClintock, Walter, 1870-1949. F5x7-66. Portrait of Horn, a Hunter, Trapper, and Friend of Mad Wolf.. Box 148, folder 7898. undated. https://collections.library.yale.edu/catalog/10453554.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 148, folder 7898"])(undated)[F5x7-66. Portrait of Horn, a Hunter, Trapper, and Friend of Mad Wolf.]. https://collections.library.yale.edu/catalog/10453554.