MLA

Haynes, F. Jay (Frank Jay), 1853-1921. 4195. Mt. Sheridan, Yellowstone Lake. Folder 7.. ca. 1890-1894. https://collections.library.yale.edu/catalog/2004729.

APA, 6th edition

Haynes, F. Jay (Frank Jay), 1853-1921. (["Folder 7."])(ca. 1890-1894)[4195. Mt. Sheridan, Yellowstone Lake]. https://collections.library.yale.edu/catalog/2004729.