[Drawings].
MLA
Rickard, Greville, 1889-1956, artist. [Drawings].. Box. [circa 1927-circa 1937]. https://collections.library.yale.edu/catalog/32461098.
APA, 6th edition
Rickard, Greville, 1889-1956, artist. (["Box"])([circa 1927-circa 1937])[[Drawings].]. https://collections.library.yale.edu/catalog/32461098.