Sahih Muslim , Book 12, Hadith 3968 (USC-MSA) ⓘ
Nu'man b. Bashir (Allah be pleased with them) reported that Allah's Messenger said to his father: Call me not as witness to an injustice.
حَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، أَخْبَرَنَا جَرِيرٌ، عَنْ عَاصِمٍ الأَحْوَلِ، عَنِ الشَّعْبِيِّ، عَنِ النُّعْمَانِ بْنِ بَشِيرٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ لأَبِيهِ " لاَ تُشْهِدْنِي عَلَى جَوْرٍ " .
also referenced under: Book 24, Hadith 22 (In-Book) & Hadith 1623 (Reference)