Cita APA (7th ed.)

Santos, R. E. (1956). Twelve piano pieces in the twelve-tone technique. s.n.

Cita Chicago (17th ed.)

Santos, Rosendo E. Twelve Piano Pieces in the Twelve-tone Technique. [London: s.n, 1956.

Cita MLA (9th ed.)

Santos, Rosendo E. Twelve Piano Pieces in the Twelve-tone Technique. s.n, 1956.