APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.