MLA

Brooks, Alfred H. (Alfred Hulse), 1871-1924. Cook Inlet Exploration Expedition. Box 8, folder 705-712. 1898 June 29-October 23. https://collections.library.yale.edu/catalog/10508514.

APA, 6th edition

Brooks, Alfred H. (Alfred Hulse), 1871-1924. (["Box 8, folder 705-712"])(1898 June 29-October 23)[Cook Inlet Exploration Expedition]. https://collections.library.yale.edu/catalog/10508514.