Cite
Box AV-4, Folder 2: OR27. Elna B. Spaulding, 1 (30) sec. political advertisement, WDUR 1490, undated
MLA
Spaulding, Asa T. (Asa Timothy), 1902-1990. "Box AV-4, Folder 2: OR27. Elna B. Spaulding, 1 (30) sec. political advertisement, WDUR 1490, undated." David M. Rubenstein Rare Book & Manuscript Library. 1909/1983, http://library.duke.edu/rubenstein/findingaids/spauldingasaelna/#esgms33002.
APA
Spaulding, Asa T. (Asa Timothy), 1902-1990 (1909/1983). Box AV-4, Folder 2: OR27. Elna B. Spaulding, 1 (30) sec. political advertisement, WDUR 1490, undated. Retrieved from http://library.duke.edu/rubenstein/findingaids/spauldingasaelna/#esgms33002
Chicago
Spaulding, Asa T. (Asa Timothy), 1902-1990. "Box AV-4, Folder 2: OR27. Elna B. Spaulding, 1 (30) sec. political advertisement, WDUR 1490, undated." 1909/1983. July 28, 2025. http://library.duke.edu/rubenstein/findingaids/spauldingasaelna/#esgms33002.