Shama-il Tirmidhi
Shama-il Tirmidhi Chapter 012, Hadith Number 004 (093).
Hadith Section/Book: Shama-il Tirmidhi Chapter 12. Stating That Rasoolullah Wore The Ring On His Right Hand
Hazrat Jabir bin Abdullah radiyallahu anhu says, "The Prophet of Allah sallallahu alaihe wasallam wore the ring on the right hand."