APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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