Cite

Helbling, Hanno

MLA

Kissinger, Henry, 1923-2023. Helbling, Hanno. Box 29, folder 11. 1967. https://collections.library.yale.edu/catalog/11782861.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 29, folder 11"])(1967)[Helbling, Hanno]. https://collections.library.yale.edu/catalog/11782861.