Cita APA (7th ed.)

Spanke, D., & Lepper, M. (2006). Horst Keining: View.

Cita Chicago (17th ed.)

Spanke, Daniel, i Markus Lepper. Horst Keining: View. Wilhelmhaven, 2006.

Cita MLA (8th ed.)

Spanke, Daniel, i Markus Lepper. Horst Keining: View. 2006.