APA (7th ed.) Citation

Smith, K., Morris, J., Friston, K., Cowen, P., & Dolan, R. (1999). Brain mechanisms associated with depressive relapse and associated cognitive impairment following acute tryptophan depletion.

Chicago Style (17th ed.) Citation

Smith, K., J. Morris, K. Friston, P. Cowen, and R. Dolan. Brain Mechanisms Associated with Depressive Relapse and Associated Cognitive Impairment Following Acute Tryptophan Depletion. 1999.

MLA (9th ed.) Citation

Smith, K., et al. Brain Mechanisms Associated with Depressive Relapse and Associated Cognitive Impairment Following Acute Tryptophan Depletion. 1999.