APA (7th ed.) Citation

Czerny, C., Helsted, E., Paulli, H. S., & Gade, N. W. (1982). Etudes / Arr: Ballet. EMI.

Chicago Style (17th ed.) Citation

Czerny, Carl, Edvard Helsted, Holger Simon Paulli, and Niels Wilhelm Gade. Etudes / Arr: Ballet. Hayes: EMI, 1982.

MLA (9th ed.) Citation

Czerny, Carl, et al. Etudes / Arr: Ballet. EMI, 1982.