Cita APA (7a ed.)

Berkowitz, S., Fontrier, G., & Kraft, L. (1960). A new approach to sight singing. Norton.

Cita Chicago Style (17a ed.)

Berkowitz, Sol, Gabriel Fontrier, y Leo Kraft. A New Approach to Sight Singing. New York: Norton, 1960.

Cita MLA (9a ed.)

Berkowitz, Sol, et al. A New Approach to Sight Singing. Norton, 1960.