6/26/78
MLA
United States. Office of the White House Staff Secretary. "6/26/78." Jimmy Carter Library. 1978-06-26, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/82/SSO_148878_082_09.pdf.
APA
United States. Office of the White House Staff Secretary (1978-06-26). 6/26/78. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/82/SSO_148878_082_09.pdf
Chicago
United States. Office of the White House Staff Secretary. "6/26/78." 1978-06-26. July 26, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/82/SSO_148878_082_09.pdf.