Sa'id bin al-Musayyib narrated this same hadith from Sayyiduna Abu Hurayrah (may Allah be pleased with him) with a connected chain (mawsul).
Ma'mar would often narrate this hadith as mursal (without naming the Companion), and when he was asked about it he gave it with its full chain. Al-Awza'i, Yunus bin Zayd and Uqayl also narrated it with a full chain.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصداق / 14531