APA (7th ed.) Citation

Beethoven, L. v., & Barbosa, A. (1974). Sonata in C, op. 53: Waldstein ; Sonata in E, op. 109. Connoisseur Society.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, and Antonio Barbosa. Sonata in C, Op. 53: Waldstein ; Sonata in E, Op. 109. New York: Connoisseur Society, 1974.

MLA (9th ed.) Citation

Beethoven, Ludwig van, and Antonio Barbosa. Sonata in C, Op. 53: Waldstein ; Sonata in E, Op. 109. Connoisseur Society, 1974.