APA (7th ed.) Citation

Mannie, Z., Cowen, P., & Harmer, C. (2006). Increased cortisol levels in young people at high risk of depression.

Chicago Style (17th ed.) Citation

Mannie, Z., P. Cowen, and C. Harmer. Increased Cortisol Levels in Young People at High Risk of Depression. 2006.

MLA (9th ed.) Citation

Mannie, Z., et al. Increased Cortisol Levels in Young People at High Risk of Depression. 2006.