APA (7th ed.) Citation

Hawton, K., Malmberg, A., & Simkin, S. (2004). Suicide in doctors. A psychological autopsy study.

Chicago Style (17th ed.) Citation

Hawton, K., A. Malmberg, and S. Simkin. Suicide in Doctors. A Psychological Autopsy Study. 2004.

MLA (9th ed.) Citation

Hawton, K., et al. Suicide in Doctors. A Psychological Autopsy Study. 2004.