APA (7th ed.) Citation

Robertson, G., Pearson, R., & Gibb, R. (1995). The mentally disordered and the police. Research findings, 21, 1-4.

Chicago Style (17th ed.) Citation

Robertson, Graham, Richard Pearson, and Robert Gibb. "The Mentally Disordered and the Police." Research Findings 21 (1995): 1-4.

MLA (8th ed.) Citation

Robertson, Graham, et al. "The Mentally Disordered and the Police." Research Findings, 21, 1995, pp. 1-4.