APA (7th ed.) Citation

Walker, N., Steer, D., Hammond, W., Carr-Hill, R. A., Walker, N., & Carr-Hill, R. A. (1970). The violent offender - reality or illusion? Occasional paper.

Chicago Style (17th ed.) Citation

Walker, Nigel, David Steer, William Hammond, Roy A. Carr-Hill, Nigel Walker, and Roy A. Carr-Hill. "The Violent Offender - Reality or Illusion?" Occasional Paper 1970.

MLA (8th ed.) Citation

Walker, Nigel, et al. "The Violent Offender - Reality or Illusion?" Occasional Paper, 1970.