MLA

Tunnard, Christopher, 1910-1979. A World With a View: illustrative material. Box 42, folder 702-707. 1977 March 3, [1977 March 22?], 1977 Apr, 1977-1978, undated. https://collections.library.yale.edu/catalog/10014273.

APA, 6th edition

Tunnard, Christopher, 1910-1979. (["Box 42, folder 702-707"])(1977 March 3, [1977 March 22?], 1977 Apr, 1977-1978, undated)[A World With a View: illustrative material]. https://collections.library.yale.edu/catalog/10014273.