APA (7th ed.) Citation

DeLio, T., & Smith, S. S. (1989). Twentieth century music scores. Prentice-Hall.

Chicago Style (17th ed.) Citation

DeLio, Thomas, and Stuart Saunders Smith. Twentieth Century Music Scores. Englewood Cliffs, N.J: Prentice-Hall, 1989.

MLA (9th ed.) Citation

DeLio, Thomas, and Stuart Saunders Smith. Twentieth Century Music Scores. Prentice-Hall, 1989.