Cita APA (7th ed.)

(1998). Johannes Kahrs: Schwarzes Loch - weiße Wand ; large scale drawings.

Cita Chicago (17th ed.)

Johannes Kahrs: Schwarzes Loch - Weiße Wand ; Large Scale Drawings. Berlin, 1998.

Cita MLA (8th ed.)

Johannes Kahrs: Schwarzes Loch - Weiße Wand ; Large Scale Drawings. 1998.

Atenció: Aquestes cites poden no estar 100% correctes.