Schwartz, Dr. Karl
MLA
Gabo, Naum, 1890-1977. Schwartz, Dr. Karl. Box 24. 1939-1980. https://collections.library.yale.edu/catalog/2055186.
APA, 6th edition
Gabo, Naum, 1890-1977. (["Box 24"])(1939-1980)[Schwartz, Dr. Karl]. https://collections.library.yale.edu/catalog/2055186.