[6 letters to] Isabel Lachaise
MLA
Lachaise, Gaston, 1882-1935. [6 letters to] Isabel Lachaise. Letters to Isabel Lachaise [1910-1916]. [1913-1916]. https://collections.library.yale.edu/catalog/2041665.
APA, 6th edition
Lachaise, Gaston, 1882-1935. (["Letters to Isabel Lachaise [1910-1916]"])([1913-1916])[[6 letters to] Isabel Lachaise]. https://collections.library.yale.edu/catalog/2041665.