6/29/77
MLA
United States. Office of the White House Staff Secretary. "6/29/77." Jimmy Carter Library. 1977-06-29, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/28/SSO_148878_028_07.pdf.
APA
United States. Office of the White House Staff Secretary (1977-06-29). 6/29/77. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/28/SSO_148878_028_07.pdf
Chicago
United States. Office of the White House Staff Secretary. "6/29/77." 1977-06-29. July 8, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/28/SSO_148878_028_07.pdf.