Cite

SF-64. Mountain Flowers.

MLA

McClintock, Walter, 1870-1949. SF-64. Mountain Flowers.. Box 145, folder 7506. undated. https://collections.library.yale.edu/catalog/10453649.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 145, folder 7506"])(undated)[SF-64. Mountain Flowers.]. https://collections.library.yale.edu/catalog/10453649.