Extract names of song xand the songwriters from the passage and separate them by dot

Context: "If You Want Me To" is a song co-written and recorded by American country music singer Joe Diffie. It was released in December 1990 as the second single from his debut album A Thousand Winding Roads. The song reached the Top 5 on the Billboard Hot Country Singles & Tracks chart. The song was written by Diffie and Larry Williams.

Answer: If you Want Me To.Joe Diffie.Larry Williams