Cita APA (7th ed.)

SpringerLink (Online service), Cardinali, D. P., & Pandi-Perumal, S. R. (2006). Neuroendocrine correlates of sleep/wakefulness. Springer.

Cita Chicago (17th ed.)

SpringerLink (Online service), Daniel P. Cardinali, i S. R. Pandi-Perumal. Neuroendocrine Correlates of Sleep/wakefulness. Boston, MA: Springer, 2006.

Cita MLA (8th ed.)

SpringerLink (Online service), et al. Neuroendocrine Correlates of Sleep/wakefulness. Springer, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.