9/20/77 [4]
MLA
United States. Office of the White House Staff Secretary. "9/20/77 [4]." Jimmy Carter Library. 1977-09-20, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/42/SSO_148878_042_04.pdf.
APA
United States. Office of the White House Staff Secretary (1977-09-20). 9/20/77 [4]. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/42/SSO_148878_042_04.pdf
Chicago
United States. Office of the White House Staff Secretary. "9/20/77 [4]." 1977-09-20. July 7, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/42/SSO_148878_042_04.pdf.
