APA (7th ed.) Citation

Schmidt, J., & Schmidt, H. C. (2008). Basics of singing (6th ed.). Thomson Schirmer.

Chicago Style (17th ed.) Citation

Schmidt, Jan, and Heidi Counsell Schmidt. Basics of Singing. 6th ed. Belmont, Calif: Thomson Schirmer, 2008.

MLA (9th ed.) Citation

Schmidt, Jan, and Heidi Counsell Schmidt. Basics of Singing. 6th ed. Thomson Schirmer, 2008.