Depending on what principle you adhere to, several ways to dissect delts. I'm always cognizant that theres 3 heads: front, side and rear. The front gets hit pretty well when doing bench and incline so I dont do helluva work on that one. I'm a Parrillo trainee so I believe that one of the best ways to build delts is overhead work. Then other pretty smart BB's will say that it too dangerous, that you risk impingement. Personally I do overhead work nearly every time....typically, heres what I've been doing for 34 yrs:
Military Press, both front and behind the neck
Side laterals, mostly standing
Lying side laterals
Upright row
Shrugs
Front Laterals
Hi Pulley X crossovers (can someone tell me its name??, I forget)
Lying side laterals
Butterfly Presses