Just to add a useless tidbit of trivia to Artie's post.
The method Artie printed would be in parallel, out of phase, with humbucking action. Which would be the most common and useful parallel wiring.
Of course the other option would be in parallel, in phase, without humbucking action. Probably not as useful (or totally useless), but incase you want it, its wired as follows -:
Black + Green = goes to ground
Red + White = goes to hot