Cita APA (7th ed.)

Palmer, W. A., Lethco, A. V., & Manus, M. (1997). Alfred's basic adult piano course. Alfred Pub. Co.

Cita Chicago (17th ed.)

Palmer, Willard A., Amanda Vick Lethco, i Morton Manus. Alfred's Basic Adult Piano Course. [Place of publication not identified]: Alfred Pub. Co, 1997.

Cita MLA (9th ed.)

Palmer, Willard A., et al. Alfred's Basic Adult Piano Course. Alfred Pub. Co, 1997.