Pupazzetti.
Five pieces for marionettes for piano four hands (or two pianos, four hands).
APA Citation
Casella, A. (1921). Pupazzetti: Five pieces for marionettes for piano four hands (or two pianos, four hands). London: J.W. Chester.
MLA Citation
Casella, Alfredo, 1883-1947. Pupazzetti: Five Pieces for Marionettes for Piano Four Hands (or Two Pianos, Four Hands). London: J.W. Chester, 1921.
Warning: These citations may not always be complete (especially for serials).