This primary source comes from the Collection RN-WHPO: White House Photo Office Collection (Nixon Administration).
National Archives Identifier:
194409Full Citation: Photograph of President Richard Nixon and Premier Chou En-lai; 2/21/1972; Collection RN-WHPO: White House Photo Office Collection (Nixon Administration). [Online Version, https://docsteach.org/documents/document/nixon-chou-enlai, March 28, 2024]