6/23/78
MLA
United States. Office of the White House Staff Secretary. "6/23/78." Jimmy Carter Library. 1978-06-23, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/82/SSO_148878_082_08.pdf.
APA
United States. Office of the White House Staff Secretary (1978-06-23). 6/23/78. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/82/SSO_148878_082_08.pdf
Chicago
United States. Office of the White House Staff Secretary. "6/23/78." 1978-06-23. July 9, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/82/SSO_148878_082_08.pdf.