MLA

Kissinger, Henry, 1923-2023. Tucker, Robert C.. Box 162, folder 19. 1959 November-1960 February. https://collections.library.yale.edu/catalog/11785239.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 162, folder 19"])(1959 November-1960 February)[Tucker, Robert C.]. https://collections.library.yale.edu/catalog/11785239.