Cita APA (7th ed.)

Infrasonics. (2005). Somnia 1: Das natürliche Schlaftraining. Ganser & Hanke.

Cita Chicago (17th ed.)

Infrasonics. Somnia 1: Das Natürliche Schlaftraining. Hamburg: Ganser & Hanke, 2005.

Cita MLA (8th ed.)

Infrasonics. Somnia 1: Das Natürliche Schlaftraining. Ganser & Hanke, 2005.