APA (7th ed.) Citation

Sayers, D. L., Eustace, R., & George, E. (2003). The documents in the case. New English Library.

Chicago Style (17th ed.) Citation

Sayers, Dorothy L., Robert Eustace, and Elizabeth George. The Documents in the Case. London: New English Library, 2003.

MLA (9th ed.) Citation

Sayers, Dorothy L., et al. The Documents in the Case. New English Library, 2003.