MLA

Ernest Augustus, King of Hanover, 1771-1851. [Symphonies]. Parts (2nd vn, va, b, b obligato, fl, 2 ob, 2 bn (1 part), 2 hn). Print. Box 75, folder 356 | Box 76, folder 357-359 | Box 77, folder 360-363 | Box 78, folder 364-367. 1796-1799, undated. https://collections.library.yale.edu/catalog/10000207.

APA, 6th edition

Ernest Augustus, King of Hanover, 1771-1851. (["Box 75, folder 356 | Box 76, folder 357-359 | Box 77, folder 360-363 | Box 78, folder 364-367"])(1796-1799, undated)[[Symphonies]. Parts (2nd vn, va, b, b obligato, fl, 2 ob, 2 bn (1 part), 2 hn). Print]. https://collections.library.yale.edu/catalog/10000207.