4/28/77 [1]
MLA
United States. Office of the White House Staff Secretary. "4/28/77 [1]." Jimmy Carter Library. 1977-04-28, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/18/SSO_148878_018_03.pdf.
APA
United States. Office of the White House Staff Secretary (1977-04-28). 4/28/77 [1]. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/18/SSO_148878_018_03.pdf
Chicago
United States. Office of the White House Staff Secretary. "4/28/77 [1]." 1977-04-28. July 28, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/18/SSO_148878_018_03.pdf.
