APA (7th ed.) Citation

Haydn, J., Noras, A., & Warchal, B. (1988). Cello concertos. Opus.

Chicago Style (17th ed.) Citation

Haydn, Joseph, Arto Noras, and Bohdan Warchal. Cello Concertos. Bratislava: Opus, 1988.

MLA (9th ed.) Citation

Haydn, Joseph, et al. Cello Concertos. Opus, 1988.