Cite

"First Pilot Lightings" sheets

MLA

Kaufman, Boris (1906-1980). "First Pilot Lightings" sheets. Box 11, folder 157. 1968. https://collections.library.yale.edu/catalog/17476616.

APA, 6th edition

Kaufman, Boris (1906-1980). (["Box 11, folder 157"])(1968)["First Pilot Lightings" sheets]. https://collections.library.yale.edu/catalog/17476616.