Cite

Gallup, Donald

MLA

Dunbar, Rudolph, 1899-1988. Gallup, Donald. Box 1, folder 15. 1975–1980. https://collections.library.yale.edu/catalog/17398730.

APA, 6th edition

Dunbar, Rudolph, 1899-1988. (["Box 1, folder 15"])(1975–1980)[Gallup, Donald]. https://collections.library.yale.edu/catalog/17398730.