[Letter to] Isabel Lachaise
MLA
Lachaise, Gaston, 1882-1935. [Letter to] Isabel Lachaise. Letters to Isabel Lachaise [1915]. [1915]. https://collections.library.yale.edu/catalog/2010761.
APA, 6th edition
Lachaise, Gaston, 1882-1935. (["Letters to Isabel Lachaise [1915]"])([1915])[[Letter to] Isabel Lachaise]. https://collections.library.yale.edu/catalog/2010761.