Cite

518a, 908d. Grizzly Bear. Photograph by Frederic C. Walcott.

MLA

McClintock, Walter, 1870-1949. 518a, 908d. Grizzly Bear. Photograph by Frederic C. Walcott.. Box 63, folder 3252. 1947. https://collections.library.yale.edu/catalog/2008814.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 63, folder 3252"])(1947)[518a, 908d. Grizzly Bear. Photograph by Frederic C. Walcott.]. https://collections.library.yale.edu/catalog/2008814.