APA (7th ed.) Citation

Campbell, D., & Hale, R. (2017). Working in the dark: Understanding the pre-suicide state of mind. Routledge.

Chicago Style (17th ed.) Citation

Campbell, Donald, and Robert Hale. Working in the Dark: Understanding the Pre-suicide State of Mind. London New York: Routledge, 2017.

MLA (9th ed.) Citation

Campbell, Donald, and Robert Hale. Working in the Dark: Understanding the Pre-suicide State of Mind. Routledge, 2017.

Warning: These citations may not always be 100% accurate.