Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
malik:30-6 – Mālik > Nāfiʿ

Yahya related to me from Malik from Nafi that Abdullah ibn Umar said, "There is no kinship by suckling except for a person who is nursed when he is small. There is no kinship by suckling over the age of two years."  

مالك:٣٠-٦ – وَحَدَّثَنِي عَنْ مَالِكٍ عَنْ نَافِعٍ

أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ كَانَ يَقُولُ لاَ رَضَاعَةَ إِلاَّ لِمَنْ أُرْضِعَ فِي الصِّغَرِ وَلاَ رَضَاعَةَ لِكَبِيرٍ  

See similar narrations below:

Collected by Bayhaqī, Suyūṭī
bayhaqi:15662 – Abū Saʿīd b. Abū ʿAmr > Abū al-ʿAbbās al-Aṣam > al-Rabīʿ > al-Shāfiʿī > Mālik > Nāfiʿ > Ibn ʿUmar ؓ

[Machine] He used to say that there is no breastfeeding except for those who were breastfed in their infancy.  

البيهقي:١٥٦٦٢ – وَأَخْبَرَنَا أَبُو سَعِيدِ بْنُ أَبِي عَمْرٍو نا أَبُو الْعَبَّاسِ الْأَصَمُّ أنا الرَّبِيعُ أنا الشَّافِعِيُّ أنا مَالِكٌ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ ؓ

أَنَّهُ كَانَ يَقُولُ لَا رَضَاعَ إِلَّا لِمَنْ أَرْضَعَ فِي الصِّغَرِ  

suyuti:422-636b – Ibn ʿUmar
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السيوطي:٤٢٢-٦٣٦b –

"عَنِ ابْنِ عُمَرَ قَالَ: لاَ رَضَاعَ (إِلاَّ) لِمَنْ أُرْضِعَ فِى الصِّغَرِ، وَلاَ رَضَاعَةَ لِكَبِير".  

مالك، [عب] عبد الرازق