MLA

Lader, Malcolm H; Cardinali, Daniel P.; Pandi-Perumal, S. R, et al. Sleep and Sleep Disorders. Springer US, 2006.

APA

Lader, S. R, Cardinali, D. P, Lader, M. Harold, & Pandi-Perumal, S. R. (2006). Sleep and Sleep Disorders. Springer US.

Chicago

Lader, Malcolm H; Cardinali, Daniel P.; Pandi-Perumal, S. R., Daniel P Cardinali, Malcolm Harold Lader, and S. R Pandi-Perumal. Sleep and Sleep Disorders. : Springer US, 2006.