2/28/78
MLA
United States. Office of the White House Staff Secretary. "2/28/78." Jimmy Carter Library. 1978-02-28, https://www.jimmycarterlibrary.gov/digital_library/sso/148878/65/SSO_148878_065_04.pdf.
APA
United States. Office of the White House Staff Secretary (1978-02-28). 2/28/78. Retrieved from https://www.jimmycarterlibrary.gov/digital_library/sso/148878/65/SSO_148878_065_04.pdf
Chicago
United States. Office of the White House Staff Secretary. "2/28/78." 1978-02-28. July 12, 2025. https://www.jimmycarterlibrary.gov/digital_library/sso/148878/65/SSO_148878_065_04.pdf.