Sahih Muslim
The Book of Faith (Kitab Al-Iman)
Book Number: 001 / Hadith Number: 339
Masruq reported: I asked 'A'isha if Muhammad (may peace be upon him) had seen his Lord. She replied: Hallowed be Allah, my hair stood on end when you said this, and he (Masruq) narrated the hadith as narrated above. The hadith reported by Diwud is more complete and longer.