Every city, in addition to other powers conferred by the Greater Municipality Parking Law, shall have power and is hereby authorized by proper ordinance of its governing body:
A. to create as an agent of the city, an authority to be known as the "Parking Authority" of the city; and
B. to prescribe the number of members of said authority, the term of office of said members, their appointment and removal and the powers, rights and duties which they shall have and exercise.