4/28/1977
MLA
United States. White House Office. Scheduling and Advance Office. "4/28/1977." Jimmy Carter Library. 4/28/1977, https://www.jimmycarterlibrary.gov/assets/documents/diary/1977/d042877t.pdf.
APA
United States. White House Office. Scheduling and Advance Office (4/28/1977). 4/28/1977. Retrieved from https://www.jimmycarterlibrary.gov/assets/documents/diary/1977/d042877t.pdf
Chicago
United States. White House Office. Scheduling and Advance Office. "4/28/1977." 4/28/1977. July 29, 2025. https://www.jimmycarterlibrary.gov/assets/documents/diary/1977/d042877t.pdf.
