MLA

Kissinger, Henry, 1923-2023. Contribution for Margaret Thatcher: A Tribute in Words and Pictures, published by Weidenfeld & Nicholson and London Daily Telegraph, Jun 23, 2005. Box 749, folder 6. 2005. https://collections.library.yale.edu/catalog/11782184.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 749, folder 6"])(2005)[Contribution for Margaret Thatcher: A Tribute in Words and Pictures, published by Weidenfeld & Nicholson and London Daily Telegraph, Jun 23, 2005]. https://collections.library.yale.edu/catalog/11782184.