4/29/77
MLA
United States. Office of the White House Staff Secretary. "4/29/77." Jimmy Carter Library. 1977-04-29, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/18/SSO_148878_018_05.pdf.
APA
United States. Office of the White House Staff Secretary (1977-04-29). 4/29/77. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/18/SSO_148878_018_05.pdf
Chicago
United States. Office of the White House Staff Secretary. "4/29/77." 1977-04-29. July 3, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/18/SSO_148878_018_05.pdf.