3/31/77
MLA
United States. Office of the White House Staff Secretary. "3/31/77." Jimmy Carter Library. 1977-03-31, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/13/SSO_148878_013_06.pdf.
APA
United States. Office of the White House Staff Secretary (1977-03-31). 3/31/77. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/13/SSO_148878_013_06.pdf
Chicago
United States. Office of the White House Staff Secretary. "3/31/77." 1977-03-31. July 1, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/13/SSO_148878_013_06.pdf.