4/9/77
MLA
United States. Office of the White House Staff Secretary. "4/9/77." Jimmy Carter Library. 1977-04-09, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/14/SSO_148878_014_08.pdf.
APA
United States. Office of the White House Staff Secretary (1977-04-09). 4/9/77. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/14/SSO_148878_014_08.pdf
Chicago
United States. Office of the White House Staff Secretary. "4/9/77." 1977-04-09. July 4, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/14/SSO_148878_014_08.pdf.