4/25/78
MLA
United States. Office of the White House Staff Secretary. "4/25/78." Jimmy Carter Library. 1978-04-25, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/72/SSO_148878_072_11.pdf.
APA
United States. Office of the White House Staff Secretary (1978-04-25). 4/25/78. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/72/SSO_148878_072_11.pdf
Chicago
United States. Office of the White House Staff Secretary. "4/25/78." 1978-04-25. July 13, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/72/SSO_148878_072_11.pdf.