6/16/77
MLA
United States. Office of the White House Staff Secretary. "6/16/77." Jimmy Carter Library. 1977-06-16, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/26/SSO_148878_026_03.pdf.
APA
United States. Office of the White House Staff Secretary (1977-06-16). 6/16/77. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/26/SSO_148878_026_03.pdf
Chicago
United States. Office of the White House Staff Secretary. "6/16/77." 1977-06-16. August 9, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/26/SSO_148878_026_03.pdf.