Designing the 21th century = design des 21. Jahrhunderts = le design du 21e siècle.

MLA

Fiell, Charlotte, and Peter Fiell. Designing the 21th Century = Design Des 21. Jahrhunderts = Le Design Du 21e Siècle. Köln: Taschen GmbH, 2005.

APA

Fiell, C., & Fiell, P. (2005). Designing the 21th century = design des 21. Jahrhunderts = le design du 21e siècle. Köln: Taschen GmbH.

Chicago

Fiell, Charlotte, and Peter Fiell. Designing the 21th Century = Design Des 21. Jahrhunderts = Le Design Du 21e Siècle. Köln: Taschen GmbH, 2005.