حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، قَالَ رَآنِي عَبْدُ اللَّهِ بْنُ عُمَرَ وَأَنَا أَدْعُو، وَأُشِيرُ، بِأَصْبُعَيْنِ أَصْبُعٍ مِنْ كُلِّ يَدٍ فَنَهَانِي ‏.‏

Yahya related to me from Malik that Abdullah ibn Dinar said,"Abdullah ibn Umar saw me when I was making dua and I was pointingwith two fingers, one from each hand, and he forbade me." Translation Not Available

Book Ref: Muwatta Imam Malik Book 15 Hadith 509
Web Ref:  Muwatta Imam Malik Book 15 Hadith 37