Sahih Muslim 1840c

(8) – باب وُجُوبِ طَاعَةِ الأُمَرَاءِ فِي غَيْرِ مَعْصِيَةٍ وَتَحْرِيمِهَا فِي الْمَعْصِيَةِ

(8) – The obligation of obeying leaders in matters that do not involve sin, but it is forbidden to obey them in sinful matters

This hadith has been transmitted on the authority of A'mash.

وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، وَأَبُو مُعَاوِيَةَ عَنِ الأَعْمَشِ، بِهَذَا الإِسْنَادِ نَحْوَهُ .

Sahih (Authentic)