APA (7th ed.) Citation

Clough, J. (1964). Scales, intervals,keys and triads: A self instruction program. Norton.

Chicago Style (17th ed.) Citation

Clough, John. Scales, Intervals,keys and Triads: A Self Instruction Program. New York: Norton, 1964.

MLA (9th ed.) Citation

Clough, John. Scales, Intervals,keys and Triads: A Self Instruction Program. Norton, 1964.