Wearing striped robe, sitting on lawn, reading (2 versions)/Wearing striped robe, lying on lawn, reading (2 versions)/Blemie sitting on lawn, with Eugene O'Neill lying, reading in background/Wearing striped robe, sitting on lawn, reading next to Blemie (4 versions)/Wearing striped robe, lying on lawn, reading next to Blemie (2 versions)
MLA
O'Neill, Eugene, 1888-1953. Wearing striped robe, sitting on lawn, reading (2 versions)/Wearing striped robe, lying on lawn, reading (2 versions)/Blemie sitting on lawn, with Eugene O'Neill lying, reading in background/Wearing striped robe, sitting on lawn, reading next to Blemie (4 versions)/Wearing striped robe, lying on lawn, reading next to Blemie (2 versions). Box 109, folder 1879. [1931 summer]. https://collections.library.yale.edu/catalog/2013210.
APA, 6th edition
O'Neill, Eugene, 1888-1953. (["Box 109, folder 1879"])([1931 summer])[Wearing striped robe, sitting on lawn, reading (2 versions)/Wearing striped robe, lying on lawn, reading (2 versions)/Blemie sitting on lawn, with Eugene O'Neill lying, reading in background/Wearing striped robe, sitting on lawn, reading next to Blemie (4 versions)/Wearing striped robe, lying on lawn, reading next to Blemie (2 versions)]. https://collections.library.yale.edu/catalog/2013210.