APA (7th ed.) Citation

Haydn, M., White, I., & Slatford, R. (1971). Divertimento for viola, cello, & double bass. Yorke.

Chicago Style (17th ed.) Citation

Haydn, Michael, Ian White, and Rodney Slatford. Divertimento for Viola, Cello, & Double Bass. London: Yorke, 1971.

MLA (9th ed.) Citation

Haydn, Michael, et al. Divertimento for Viola, Cello, & Double Bass. Yorke, 1971.