Cita APA (7th ed.)

Palmer, W. A., Manus, M., & Lethco, A. V. (1981). Piano: Lesson book. Alfred Pub.

Cita Chicago (17th ed.)

Palmer, Willard A., Morton Manus, i Amanda Vick Lethco. Piano: Lesson Book. Sherman Oaks, Calif: Alfred Pub, 1981.

Cita MLA (9th ed.)

Palmer, Willard A., et al. Piano: Lesson Book. Alfred Pub, 1981.