APA (7. basım) Alıntı

Thelen, K. (2007). Paul Schwer: In progress. Kettler Druck.

Chicago Style (17. basım) Atıf

Thelen, Klaus. Paul Schwer: In Progress. Bönen: Kettler Druck, 2007.

MLA (8th ed.) Atıf

Thelen, Klaus. Paul Schwer: In Progress. Kettler Druck, 2007.