Cita APA (7th ed.)

Obst, M. (2000). Berlin: Germany. 2001. Friends Design.

Cita Chicago (17th ed.)

Obst, Mario. Berlin: Germany. 2001. Asperg: Friends Design, 2000.

Cita MLA (8th ed.)

Obst, Mario. Berlin: Germany. 2001. Friends Design, 2000.