(28) باب بَيَانِ قَوْلِ النَّبِيِّ صلى الله عليه وسلم " سِبَابُ الْمُسْلِمِ فُسُوقٌ وَقِتَالُهُ كُفْرٌ "
Abu Bakr b. Abu Shaiba narrated a hadith like this from the Apostle (may peace and blessings be upon him) on the authority of Abdullah. (JA)
Reference (JA): Sahih Muslim 64 b (JA)
In-book reference (JA): Book 1, Hadith 128 (JA)
USC-MSA web (English) reference(deprecated numbering scheme): Book 1, Hadith 123 (JA)