Cite

[Macbeth and the murderers] [art original].

MLA

Bunbury, Henry William, 1750-1811, artist. [Macbeth and the murderers] [art original].. [1792?]. https://collections.library.yale.edu/catalog/15947755.

APA, 6th edition

Bunbury, Henry William, 1750-1811, artist. ([1792?])[[Macbeth and the murderers] [art original].]. https://collections.library.yale.edu/catalog/15947755.