ENOfficial
Ibn 'Abbas said (may Allah be well pleased with him and his father): “The Prophet (Allah bless him and give him peace) drank from Zamzam while standing.”
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا أَحْمَدُ بْنُ مَنِيعٍ، قَالَ: حَدَّثَنَا هُشَيْمٌ، قَالَ: حَدَّثَنَا عَاصِمٌ الأَحْوَلُ، وَمُغِيرَةُ، عَنِ الشَّعْبِيِّ، عَنِ ابْنِ عَبَّاسٍ: أَنَّ النَّبِيَّ صلى الله عليه وسلم، شَرِبَ مِنْ زَمْزَمَ، وَهُوَ قَائِمٌ.
sunnah.com