APA (7th ed.) Citation

Combs, R., & Bowker, R. (1995). Learning to sing nonclassical music. Prentice Hall.

Chicago Style (17th ed.) Citation

Combs, Ronald, and Robert Bowker. Learning to Sing Nonclassical Music. Englewood Cliffs, NJ: Prentice Hall, 1995.

MLA (9th ed.) Citation

Combs, Ronald, and Robert Bowker. Learning to Sing Nonclassical Music. Prentice Hall, 1995.