Cite

"The Meal that Wasn't Served. The Pelican, the cocoons, and the unintentional incubator."

MLA

Hansen, Bert, 1944-. "The Meal that Wasn't Served. The Pelican, the cocoons, and the unintentional incubator.". Box 11, folder 28. 1909 August 25. https://collections.library.yale.edu/catalog/32326846.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 11, folder 28"])(1909 August 25)["The Meal that Wasn't Served. The Pelican, the cocoons, and the unintentional incubator."]. https://collections.library.yale.edu/catalog/32326846.