[Frederick Knott rebus sketch by Alfred Hitchcock]
MLA
Hitchcock, Alfred, 1899-1980. [Frederick Knott rebus sketch by Alfred Hitchcock]. [ca. 1954]. https://collections.library.yale.edu/catalog/2021504.
APA, 6th edition
Hitchcock, Alfred, 1899-1980. ([ca. 1954])[[Frederick Knott rebus sketch by Alfred Hitchcock]]. https://collections.library.yale.edu/catalog/2021504.