The front is finger waves and the back are pin curls. The pin curls are a doddle (after you watch a few tutorials) and are great generally for long maintenance curls. I like Lisa Freemont Street
http://www.youtube.com/watch?v=5QmIQlK-HYA . You can either do the curls on wet hair or dry hair, I always do mine on dry hair as I'm not too fussed about too much structure.
The finger waves will be harder to recreate. It's something that I want to do actually, but I don't really want the heavy gel laden down hair as my hair is too fine for that. I would rather create it with soft curls, more old hollywood glamour. You could alternatively buy a waver to create the waves at the front.