Musannaf Ibn Abi Shayba 18:379

Abu Bakr narrated to us, he said: Muhammad bin Bakr narrated to us, from Ibn Jurayj, who said: I said to 'Ata', "Do you see if the glans (of the penis) is injured?" He said: "The blood money (is due)." I said to 'Ata', "Is that established?" He said: "They have indeed said that."