Cita APA (7a ed.)

Montagna, P., & Chokroverty, S. (2011). Sleep disorders. Elsevier.

Cita Chicago Style (17a ed.)

Montagna, Pasquale, y Sudhansu Chokroverty. Sleep Disorders. Amsterdam: Elsevier, 2011.

Cita MLA (8a ed.)

Montagna, Pasquale, y Sudhansu Chokroverty. Sleep Disorders. Elsevier, 2011.