MLA

Brooke, Frances, 1724?-1789. The maid of the mill : sung by Mrs. Kennedy and Mrs. Martyr, in the favorite entertainment of Resina, performed at Convert-Garden Theatre. 1783?]. https://collections.library.yale.edu/catalog/33540039.

APA, 6th edition

Brooke, Frances, 1724?-1789. (1783?])[The maid of the mill : sung by Mrs. Kennedy and Mrs. Martyr, in the favorite entertainment of Resina, performed at Convert-Garden Theatre]. https://collections.library.yale.edu/catalog/33540039.