APA (7th ed.) Citation

Schubert, F. (1989). The piano duets of Franz Schubert. Four Hands Music.

Chicago Style (17th ed.) Citation

Schubert, Franz. The Piano Duets of Franz Schubert. St. Albans, Herts., UK: Four Hands Music, 1989.

MLA (9th ed.) Citation

Schubert, Franz. The Piano Duets of Franz Schubert. Four Hands Music, 1989.