MLA

Kissinger, Henry, 1923-2023. Craig, Gordon A., "Command and Staff Problems in the Austrian Army, 1740-1866". Box 286, folder 5. Circa 1965. https://collections.library.yale.edu/catalog/11787136.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 286, folder 5"])(Circa 1965)[Craig, Gordon A., "Command and Staff Problems in the Austrian Army, 1740-1866"]. https://collections.library.yale.edu/catalog/11787136.