1: Gif: Simply post a GIF of Rick dancing. Easiest way to do it, though some say it doesn't count as a Rickroll.

2: Link: Again, classic. Paste the link, but be careful not to use it continuously, as some people memorize what the link looks like.  

3: QR code: Yeah. Make a QR code. Give it to someone.      

4: Call: much better and less predictable. Just call whoever it is and play Never Gonna Give You Up.                

5: Video Call: Also good. Use a video call, distract the victim, and pull up the video.

6: Conceal: Hide the Rickroll inside some kind of video (Rarely used, but works well.)

    If all else fails, you can call 248-434-5508. This always helps.