Schmidt-Rottluff, Karl [with some transcripts]
MLA
Wolff, Kurt, 1887-1963. Schmidt-Rottluff, Karl [with some transcripts]. Box 7, folder 276. 1920. https://collections.library.yale.edu/catalog/2021362.
APA, 6th edition
Wolff, Kurt, 1887-1963. (["Box 7, folder 276"])(1920)[Schmidt-Rottluff, Karl [with some transcripts]]. https://collections.library.yale.edu/catalog/2021362.