Catalogue of imported music for piano 4 hands (2 performers) ; classes IX to XIII.
APA Citation
G. Schirmer, I. (1881). Catalogue of imported music for piano 4 hands (2 performers) ; classes IX to XIII. New York: G. Schirmer.
MLA Citation
G. Schirmer, Inc. Catalogue of Imported Music for Piano 4 Hands (2 Performers) ; Classes IX to XIII. New York: G. Schirmer, 1881.
Warning: These citations may not always be complete (especially for serials).