6/28/78 [1]
MLA
United States. Office of the White House Staff Secretary. "6/28/78 [1]." Jimmy Carter Library. 1978-06-28, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/83/SSO_148878_083_02.pdf.
APA
United States. Office of the White House Staff Secretary (1978-06-28). 6/28/78 [1]. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/83/SSO_148878_083_02.pdf
Chicago
United States. Office of the White House Staff Secretary. "6/28/78 [1]." 1978-06-28. July 10, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/83/SSO_148878_083_02.pdf.