Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Clough, John. Scales, Intervals, Keys and Triads: A Self-instruction Program. New York: W. W. Norton, 1964.

Cita MLA (9a ed.)

Clough, John. Scales, Intervals, Keys and Triads: A Self-instruction Program. W. W. Norton, 1964.