MLA

Kissinger, Henry, 1923-2023. Quotes in "Gerald Ford at 90 Reflects on His Presidency, Prays for Bush," WorldTribune.com, Aug 9, 2003. Box 744, folder 13. 2003. https://collections.library.yale.edu/catalog/11782126.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 744, folder 13"])(2003)[Quotes in "Gerald Ford at 90 Reflects on His Presidency, Prays for Bush," WorldTribune.com, Aug 9, 2003]. https://collections.library.yale.edu/catalog/11782126.