MLA

Yale Peruvian Expedition ($d: 1911). January - March 10, March 12-April 18, April 21-October. Box 5, folder 2-29. January - March 10, March 12-April 18, April 21-October. https://collections.library.yale.edu/catalog/33224515.

APA, 6th edition

Yale Peruvian Expedition ($d: 1911). (["Box 5, folder 2-29"])(January - March 10, March 12-April 18, April 21-October)[January - March 10, March 12-April 18, April 21-October]. https://collections.library.yale.edu/catalog/33224515.