6/28/77 [1]
MLA
United States. Office of the White House Staff Secretary. "6/28/77 [1]." Jimmy Carter Library. 1977-06-28, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/28/SSO_148878_028_05.pdf.
APA
United States. Office of the White House Staff Secretary (1977-06-28). 6/28/77 [1]. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/28/SSO_148878_028_05.pdf
Chicago
United States. Office of the White House Staff Secretary. "6/28/77 [1]." 1977-06-28. July 9, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/28/SSO_148878_028_05.pdf.
