Starting Strength by Mark Rippetoe

This is a tried and true classic.

Workout A
Squat 3x5
Bench Press 3x5
Deadlift 1x5

Workout B
Squat 3x5
Press 3x5
Power Cleans 5x3 

Alternate workouts A and B on nonconsecutive days 3x per week.

There's no point in me going into more detail than that when there's a multitude of great resources for this program on the web. Here are a few:

Starting Strength Wiki
Starting Strength Forum
Starting Strength Instructional Videos

Mark Rippetoe Starting Strength Interview on T-Nation

Buy Starting Strength on Amazon