5x5 works, WS4SB works.
5x5 is easy to follow and really just requires you follow the program and reset your maxes every once in a while once your gains stall, but you can run it for quite some time over and over before you need to move on. Learn proper form and it will take you a long way.
WS4SB can be provide great gains if you apply it right, but may take more knowledge in strength training principles to apply effectively. Those who do it under Joe DeFranco often have Joe to tell them what exercises they should do. They do not have to think about it. They are told where they are weak and are given exercises to remedy it. Any type of Westside program will require some sort of knowledge to identify weaknesses and lifts that will address those weaknesses which can be hard when first starting out.
Though if you are looking for more knowledge in how to apply it this topic may be very useful: