MLA

Gabo, Naum, 1890-1977. Starr-Frampton Interview Material. Box 41. 1920-1975. https://collections.library.yale.edu/catalog/17170364.

APA, 6th edition

Gabo, Naum, 1890-1977. (["Box 41"])(1920-1975)[Starr-Frampton Interview Material]. https://collections.library.yale.edu/catalog/17170364.