Cita APA (7th ed.)
Whiteside, A., Prostakoff, J., & Rosoff, S. (1969). Mastering the Chopin etudes and other essays: Ed. by Joseph Prostakoff and Sophia Rosoff. Scribner.
Cita Chicago (17th ed.)
Whiteside, Abby, Joseph Prostakoff, i Sophia Rosoff. Mastering the Chopin Etudes and Other Essays: Ed. by Joseph Prostakoff and Sophia Rosoff. New York: Scribner, 1969.
Cita MLA (9th ed.)
Whiteside, Abby, et al. Mastering the Chopin Etudes and Other Essays: Ed. by Joseph Prostakoff and Sophia Rosoff. Scribner, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.