7/21/78
MLA
United States. Office of the White House Staff Secretary. "7/21/78." Jimmy Carter Library. 1978-07-21, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/85/SSO_148878_085_10.pdf.
APA
United States. Office of the White House Staff Secretary (1978-07-21). 7/21/78. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/85/SSO_148878_085_10.pdf
Chicago
United States. Office of the White House Staff Secretary. "7/21/78." 1978-07-21. July 11, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/85/SSO_148878_085_10.pdf.