MLA

Stanford, Frank, 1949-. After a rain in the mountains. Uncatalogued writings, box 2 | Folder : After a rain in the mountains. 4M. undated. https://collections.library.yale.edu/catalog/12048983.

APA, 6th edition

Stanford, Frank, 1949-. (["Uncatalogued writings, box 2 | Folder : After a rain in the mountains. 4M"])(undated)[After a rain in the mountains]. https://collections.library.yale.edu/catalog/12048983.