B-002-001-001

What is a good way to make contact on a repeater?
A) Say the call sign of the station you want to contact, then your call sign

B) Say, "Breaker, breaker,"

C) Say the call sign of the station you want to contact three times

D) Say the other operator's name, then your call sign three times

The answer is A.
You always want to make contact through a repeater by calling the station (call signs, operator, etc.) followed by your call sign.