Cita APA (7th ed.)

Lenz, C., & Pesarese, M. (2000). Stephan Lackner: Der Freund Max Beckmanns.

Cita Chicago (17th ed.)

Lenz, Christian, i Marco Pesarese. Stephan Lackner: Der Freund Max Beckmanns. München, 2000.

Cita MLA (8th ed.)

Lenz, Christian, i Marco Pesarese. Stephan Lackner: Der Freund Max Beckmanns. 2000.