APA (7th ed.) Citation

Purcell, H., Britten, B., Partridge, I., Malcolm, G., & Partridge, J. (2006). Sweeter than roses. Sanctuary Classics.

Chicago Style (17th ed.) Citation

Purcell, Henry, Benjamin Britten, Ian Partridge, George Malcolm, and Jennifer Partridge. Sweeter than Roses. London: Sanctuary Classics, 2006.

MLA (9th ed.) Citation

Purcell, Henry, et al. Sweeter than Roses. Sanctuary Classics, 2006.