(left to right): Shirley T. Davis (ca. 1918-1983) and Fremont Davis (1915-1977)

Chicago citation style
Davis, Fremont 1915-1977. (left to right): Shirley T. Davis (ca. 1918-1983) and Fremont Davis (1915-1977). 1941. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Asiris_arc_296513&repo=DPLA. (Accessed November 16, 2018.)
APA citation style
Davis, Fremont 1915-1977, (1941) (left to right): Shirley T. Davis (ca. 1918-1983) and Fremont Davis (1915-1977). Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Asiris_arc_296513&repo=DPLA
MLA citation style
Davis, Fremont 1915-1977. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Asiris_arc_296513&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.