APA (7th ed.) Citation

Radford, E., & Radford, M. A. (1969). Two ways to murder. Hale.

Chicago Style (17th ed.) Citation

Radford, E., and M. A. Radford. Two Ways to Murder. London: Hale, 1969.

MLA (8th ed.) Citation

Radford, E., and M. A. Radford. Two Ways to Murder. Hale, 1969.