Matta Echaurren, Roberto Sebastián
MLA
Dreier, Katherine S. (Katherine Sophie), 1877-1952. Matta Echaurren, Roberto Sebastián. Box 107, folder 2620. 1946-47, n.d.. https://collections.library.yale.edu/catalog/2040543.
APA, 6th edition
Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 107, folder 2620"])(1946-47, n.d.)[Matta Echaurren, Roberto Sebastián]. https://collections.library.yale.edu/catalog/2040543.