Investigators released surveillance images of the suspect on Tuesday afternoon.
According to police, the man entered the Wawa on Sicklerville Road around 11:30 Sunday morning, reached over the counter and stole cigarettes.
The suspect is described as a white male wearing a black t-shirt with a large Adidas logo on the front. He also wore black pants, black shoes, a plaid hat and had number of tattoos on both forearms.
The man left in a gray-colored SUV, possibly a Honda Pilot.
Anyone with formation is asked to call the GTPD Anonymous Crime Tip Line at 856-842-5560.