APA (7th ed.) Citation

Wohlfahrt, F., & Vieland, J. (1966). 60 studies, opus 45 for viola solo. International Music.

Chicago Style (17th ed.) Citation

Wohlfahrt, Franz, and Joseph Vieland. 60 Studies, Opus 45 for Viola Solo. New York: International Music, 1966.

MLA (9th ed.) Citation

Wohlfahrt, Franz, and Joseph Vieland. 60 Studies, Opus 45 for Viola Solo. International Music, 1966.