MLA

Sheridan, Richard Brinsley, 1751-1816. THE SCHOOL FOR SCANDAL: manuscript made by four copyists with numerous corrections in Sheridan's hand and a note signed by him, submitting the play for licensing to William Chetwynd early in 1777.. Volume 4. n.d.. https://collections.library.yale.edu/catalog/17324518.

APA, 6th edition

Sheridan, Richard Brinsley, 1751-1816. (["Volume 4"])(n.d.)[THE SCHOOL FOR SCANDAL: manuscript made by four copyists with numerous corrections in Sheridan's hand and a note signed by him, submitting the play for licensing to William Chetwynd early in 1777.]. https://collections.library.yale.edu/catalog/17324518.