APA (7th ed.) Citation

Indy, V. d., & Joly, C. (1984). Helvétia ; Sonata op. 63. Cybelia.

Chicago Style (17th ed.) Citation

Indy, Vincent d', and Catherine Joly. Helvétia ; Sonata Op. 63. France: Cybelia, 1984.

MLA (9th ed.) Citation

Indy, Vincent d', and Catherine Joly. Helvétia ; Sonata Op. 63. Cybelia, 1984.