APA (7th ed.) Citation

Rizzo, R. (1978). The voice as an instrument (2d ed.). Bobbs-Merrill Educational Pub..

Chicago Style (17th ed.) Citation

Rizzo, Raymond. The Voice as an Instrument. 2d ed. Indianapolis: Bobbs-Merrill Educational Pub., 1978.

MLA (8th ed.) Citation

Rizzo, Raymond. The Voice as an Instrument. 2d ed. Bobbs-Merrill Educational Pub., 1978.

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