7/27/78
MLA
United States. Office of the White House Staff Secretary. "7/27/78." Jimmy Carter Library. 1978-07-27, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/86/SSO_148878_086_06.pdf.
APA
United States. Office of the White House Staff Secretary (1978-07-27). 7/27/78. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/86/SSO_148878_086_06.pdf
Chicago
United States. Office of the White House Staff Secretary. "7/27/78." 1978-07-27. July 9, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/86/SSO_148878_086_06.pdf.