APA (7th ed.) Citation

Friston, K., Sharpley, A., Solomon, R., & Cowen, P. (1989). Lithium increases slow wave sleep: Possible mediation by brain 5-HT2 receptors? Springer-Verlag.

Chicago Style (17th ed.) Citation

Friston, K., A. Sharpley, R. Solomon, and P. Cowen. Lithium Increases Slow Wave Sleep: Possible Mediation by Brain 5-HT2 Receptors? Springer-Verlag, 1989.

MLA (9th ed.) Citation

Friston, K., et al. Lithium Increases Slow Wave Sleep: Possible Mediation by Brain 5-HT2 Receptors? Springer-Verlag, 1989.