MLA

Johnson, James Weldon, 1871-1938. Blueprints for the Johnsons' home "Five Acres" in Great Barrington, Massachusetts by J. Mc.A. Vance (in Series V, Personal Papers). Box 124, folder 1107. circa 1926. https://collections.library.yale.edu/catalog/2110164.

APA, 6th edition

Johnson, James Weldon, 1871-1938. (["Box 124, folder 1107"])(circa 1926)[Blueprints for the Johnsons' home "Five Acres" in Great Barrington, Massachusetts by J. Mc.A. Vance (in Series V, Personal Papers)]. https://collections.library.yale.edu/catalog/2110164.