MLA

Yale Peruvian Expedition ($d: 1911). Journal. Box 19, folder 14. 1912 June-November. https://collections.library.yale.edu/catalog/33346519.

APA, 6th edition

Yale Peruvian Expedition ($d: 1911). (["Box 19, folder 14"])(1912 June-November)[Journal]. https://collections.library.yale.edu/catalog/33346519.