MLA

Gaud, William Steen, 1907-1977. Speeches. 3, folder 43. 1967-1969. https://collections.library.yale.edu/catalog/33244871.

APA, 6th edition

Gaud, William Steen, 1907-1977. (["3, folder 43"])(1967-1969)[Speeches]. https://collections.library.yale.edu/catalog/33244871.