Cite

SF-241. Forest Trail.

MLA

McClintock, Walter, 1870-1949. SF-241. Forest Trail.. Box 146, folder 7681. undated. https://collections.library.yale.edu/catalog/10453826.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 146, folder 7681"])(undated)[SF-241. Forest Trail.]. https://collections.library.yale.edu/catalog/10453826.