Chromatics

Chicago citation style
Gerald Gulotta (American, b. 1921). Chromatics. designed 1970, marketed 1971–73. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Achndm_1999-40-41&repo=DPLA. (Accessed September 21, 2018.)
APA citation style
Gerald Gulotta (American, b. 1921), (designed 1970, marketed 1971–73) Chromatics. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Achndm_1999-40-41&repo=DPLA
MLA citation style
Gerald Gulotta (American, b. 1921). Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Achndm_1999-40-41&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.