[The toothache #2] [art original].
MLA
Trilussa, 1871-1950, artist. [The toothache #2] [art original].. 1936.. https://collections.library.yale.edu/catalog/17339739.
APA, 6th edition
Trilussa, 1871-1950, artist. (1936.)[[The toothache #2] [art original].]. https://collections.library.yale.edu/catalog/17339739.