APA (7th ed.) Citation

Chopin, F. (1950). 24 preludes: Op. 28 ; Prelude, op. 45 ; Piano sonata op. 35 ; Piano sonata op. 58 ; Fantasy, op. 49 (Urtext ed.). Lea Pocket Scores.

Chicago Style (17th ed.) Citation

Chopin, Frédéric. 24 Preludes: Op. 28 ; Prelude, Op. 45 ; Piano Sonata Op. 35 ; Piano Sonata Op. 58 ; Fantasy, Op. 49. Urtext ed. New York: Lea Pocket Scores, 1950.

MLA (9th ed.) Citation

Chopin, Frédéric. 24 Preludes: Op. 28 ; Prelude, Op. 45 ; Piano Sonata Op. 35 ; Piano Sonata Op. 58 ; Fantasy, Op. 49. Urtext ed. Lea Pocket Scores, 1950.