Al-Kāfi
Hadith 20623- مُحَمَّدُ بْنُ يَحْيَى عَنْ مُحَمَّدِ بْنِ أَحْمَدَ عَنْ أَحْمَدَ بْنِ الْحَسَنِ عَنْ عَمْرِو بْنِ سَعِيدٍ عَنْ مُصَدِّقِ بْنِ صَدَقَةَ عَنْ عَمَّارِ بْنِ مُوسَى عَنْ أَبِي عَبْدِ اللهِ (عَلَيْهِ السَّلام) فِي الرَّجُلِ يَنْكِحُ بَهِيمَةً أَوْ يَدْلُكُ فَقَالَ كُلُّ مَا أَنْزَلَ بِهِ الرَّجُلُ مَاءَهُ فِي هَذَا وَشِبْهِهِ فَهُوَ زِنًى.
3. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Ahmad ibn al-Hassan from ‘Amr ibn Sa‘id Musaddiq ibn Sadaqah from ‘Ammar ibn Musa who has said the following: “About the case of a man who engages in sexual intercourse with animals or causes his semen to discharge, abu ‘Abd Allah (a.s.), has said, ‘Whenever a man causes his semen to discharge in this or that way it is fornication.’”