7/21/77 [1]
MLA
United States. Office of the White House Staff Secretary. "7/21/77 [1]." Jimmy Carter Library. 1977-07-21, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/32/SSO_148878_032_05.pdf.
APA
United States. Office of the White House Staff Secretary (1977-07-21). 7/21/77 [1]. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/32/SSO_148878_032_05.pdf
Chicago
United States. Office of the White House Staff Secretary. "7/21/77 [1]." 1977-07-21. July 6, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/32/SSO_148878_032_05.pdf.
