Covarrubias, Miguel
MLA
Stein, Gertrude, 1874-1946. Covarrubias, Miguel. Box 103, folder 1996. 1928, n.d.. https://collections.library.yale.edu/catalog/16723915.
APA, 6th edition
Stein, Gertrude, 1874-1946. (["Box 103, folder 1996"])(1928, n.d.)[Covarrubias, Miguel]. https://collections.library.yale.edu/catalog/16723915.