12/21/1978
MLA
United States. Office of the White House Staff Secretary. "12/21/1978." Jimmy Carter Library. 1978-12-21, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/101/SSO_148878_101_04.pdf.
APA
United States. Office of the White House Staff Secretary (1978-12-21). 12/21/1978. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/101/SSO_148878_101_04.pdf
Chicago
United States. Office of the White House Staff Secretary. "12/21/1978." 1978-12-21. July 5, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/101/SSO_148878_101_04.pdf.
