APA (7th ed.) Citation

Dupré, H., Phillips, C. A., & Bedford, A. (1928). Purcell. Knopf.

Chicago Style (17th ed.) Citation

Dupré, Henri, Catherine Alison Phillips, and Agnes Bedford. Purcell. New York: Knopf, 1928.

MLA (9th ed.) Citation

Dupré, Henri, et al. Purcell. Knopf, 1928.