Cite

FS-59. Camp in Cutbank Valley. Loading Pack Horse.

MLA

McClintock, Walter, 1870-1949. FS-59. Camp in Cutbank Valley. Loading Pack Horse.. Box 147, folder 7812. undated. https://collections.library.yale.edu/catalog/10453379.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 147, folder 7812"])(undated)[FS-59. Camp in Cutbank Valley. Loading Pack Horse.]. https://collections.library.yale.edu/catalog/10453379.