Cita APA (7th ed.)

Kraft, L. (1976). Gradus: An integrated approach to harmony, counterpoint, and analysis. Norton.

Cita Chicago (17th ed.)

Kraft, Leo. Gradus: An Integrated Approach to Harmony, Counterpoint, and Analysis. New York: Norton, 1976.

Cita MLA (9th ed.)

Kraft, Leo. Gradus: An Integrated Approach to Harmony, Counterpoint, and Analysis. Norton, 1976.