Cite

Billingsley, Henry E., "The Nation in Space"

MLA

Kissinger, Henry, 1923-2023. Billingsley, Henry E., "The Nation in Space". Box 162, folder 26. Circa 1959-circa 1960. https://collections.library.yale.edu/catalog/11785247.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 162, folder 26"])(Circa 1959-circa 1960)[Billingsley, Henry E., "The Nation in Space"]. https://collections.library.yale.edu/catalog/11785247.