Muwatta Malik
The Description of the Prophet, may Allah Bless Him and Grant Him Peace
Hadith #13
49.13
حَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ عُمَرَ بْنَ الْخَطَّابِ، وَعَلِيَّ بْنَ أَبِي طَالِبٍ، وَعُثْمَانَ بْنَ عَفَّانَ، كَانُوا يَشْرَبُونَ قِيَامًا .
Yahya related to me from Malik that he had heard that Umar ibn al-Khattab and Ali ibn Abi Talib and Uthman ibn Affan drank while standing