Hadith 504430
Chapter 10: The Two 'Ids - كتاب العيدين
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، أَنَّهُ كَانَ يُصَلِّي يَوْمَ الْفِطْرِ قَبْلَ الصَّلاَةِ فِي الْمَسْجِدِ .
Yahya related to me from Hisham ibn Urwa that his father used to pray on the day of Fitr before the prayer in the mosque.
Reference Muwatta Malik 504430
USC-MSA web (English) reference : Book 10, Hadith 13