APA (7th ed.) Citation

Ginastera, A., Somer, H., & Märzendorfer, E. (1989). Sonata for piano (1952) ; Concerto for piano and orchestra (1961). Phoenix.

Chicago Style (17th ed.) Citation

Ginastera, Alberto, Hilde Somer, and Ernst Märzendorfer. Sonata for Piano (1952) ; Concerto for Piano and Orchestra (1961). United States: Phoenix, 1989.

MLA (9th ed.) Citation

Ginastera, Alberto, et al. Sonata for Piano (1952) ; Concerto for Piano and Orchestra (1961). Phoenix, 1989.