Ben Willikens : : Leipziger Firmament.

MLA

Schmidt, Hans-Werner, and Jan Nicolaisen. Ben Willikens : Leipziger Firmament. Ostfildern: Hatje Cantz, 2015.

APA

Schmidt, H., & Nicolaisen, J. (2015). Ben Willikens : Leipziger Firmament. Ostfildern: Hatje Cantz.

Chicago

Schmidt, Hans-Werner, and Jan Nicolaisen. Ben Willikens: Leipziger Firmament. Ostfildern: Hatje Cantz, 2015.