4/26/78
MLA
United States. Office of the White House Staff Secretary. "4/26/78." Jimmy Carter Library. 1978-04-26, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/73/SSO_148878_073_01.pdf.
APA
United States. Office of the White House Staff Secretary (1978-04-26). 4/26/78. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/73/SSO_148878_073_01.pdf
Chicago
United States. Office of the White House Staff Secretary. "4/26/78." 1978-04-26. July 14, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/73/SSO_148878_073_01.pdf.