The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness
وَحَدَّثَنِيهِ زُهَيْرُ بْنُ حَرْبٍ، حَدَّثَنَا إِسْحَاقُ بْنُ يُوسُفَ الأَزْرَقُ، حَدَّثَنَا زَكَرِيَّاءُ، بِهَذَا الإِسْنَادِ .This hadith is reported through Ishaaq bin Yusuf Al-Azraq from Zakariyya bin Abi Za'ida through the same chain
From Sahih Muslim, whose reports the scholars accept as authentic.