Musannaf Ibn Abi Shayba 9:1691

Abu Bakr narrated to us, he said: Marwan bin Mu'awiyah narrated to us, from al-Jurayri, from Abu Nadra, from al-Tufawi, from Abu Hurayrah, he said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "A man shall not touch a man, and a woman shall not touch a woman, and a father shall not touch his child, and a child shall not touch his father."