Specimens of plain and fancy brass rule :
as shown in the 1912 American specimen book of type styles.
APA Citation
American Type Founders Company. (1912). Specimens of plain and fancy brass rule: as shown in the 1912 American specimen book of type styles. [Place of publication not identified]: American Type Founders Co..
MLA Citation
American Type Founders Company. Specimens of Plain And Fancy Brass Rule: As Shown In the 1912 American Specimen Book of Type Styles. [Place of publication not identified]: American Type Founders Co., 1912.
Warning: These citations may not always be complete (especially for serials).