12/31/1980
MLA
United States. White House Office. Scheduling and Advance Office. "12/31/1980." Jimmy Carter Library. 12/31/1980, https://www.jimmycarterlibrary.gov/assets/documents/diary/1980/d123180t.pdf.
APA
United States. White House Office. Scheduling and Advance Office (12/31/1980). 12/31/1980. Retrieved from https://www.jimmycarterlibrary.gov/assets/documents/diary/1980/d123180t.pdf
Chicago
United States. White House Office. Scheduling and Advance Office. "12/31/1980." 12/31/1980. May 1, 2026. https://www.jimmycarterlibrary.gov/assets/documents/diary/1980/d123180t.pdf.
