MLA

Johnson, Guy, approximately 1740-1788. "Memorandum & Accot. Book with Government, Officers &c. Commencing in 1776". Box 1, folder 29. 1776-82. https://collections.library.yale.edu/catalog/16590536.

APA, 6th edition

Johnson, Guy, approximately 1740-1788. (["Box 1, folder 29"])(1776-82)["Memorandum & Accot. Book with Government, Officers &c. Commencing in 1776"]. https://collections.library.yale.edu/catalog/16590536.