by Samuel. Hebrew by the hand of Samuel: "hand" being put by Figure of speech Metonymy (of Cause), App-6, for what is done or written by it.
Related Commentaries of 1 Chronicles 11:3
1 Chronicles 11:3
3 Therefore came all the elders of Israel to the king to Hebron; and David made a covenant with them in Hebron before the LORD; and they anointed David king over Israel, according to the word of the LORD byb Samuel.