(6) باب تَحْرِيمِ بَيْعِ الْحَاضِرِ لِلْبَادِي
Anas b. Malik (Allah be pleased with him) reported:
We were forbidden that a townsman should sell for a man of the desert, even if he is his brother or father.
Reference: Sahih Muslim 1523 a
In-book reference: Book 21, Hadith 28
USC-MSA web (English) reference(deprecated numbering scheme): Book 10, Hadith 3632