Co, E. F. A. G. (1925). Emil Frei Art Glass Co. St. Louis.
Chicago Style (17th ed.) CitationCo, Emil Frei Art Glass. Emil Frei Art Glass Co. St. Louis, 1925.
MLA引文Co, Emil Frei Art Glass. Emil Frei Art Glass Co. St. Louis, 1925.
警告：這些引文格式不一定是100％准確.