APA (7th ed.) Citation

Bartók, B., Ehnes, J., & Armstrong, A. (2013). Works for violin and piano. Chandos.

Chicago Style (17th ed.) Citation

Bartók, Béla, James Ehnes, and Andrew Armstrong. Works for Violin and Piano. Colchester, Essex, England: Chandos, 2013.

MLA (9th ed.) Citation

Bartók, Béla, et al. Works for Violin and Piano. Chandos, 2013.