Cite

Machinery: sketches, plans, drawings , n.d.

MLA

Whitney, Eli, 1765-1825. Machinery: sketches, plans, drawings , n.d.. Box 8, folder 118a, reel 5 | reel 5U. 1801-1915, undated. https://collections.library.yale.edu/catalog/10014137.

APA, 6th edition

Whitney, Eli, 1765-1825. (["Box 8, folder 118a, reel 5 | reel 5U"])(1801-1915, undated)[Machinery: sketches, plans, drawings , n.d.]. https://collections.library.yale.edu/catalog/10014137.