MLA

Fiell, Charlotte, and Peter Fiell. Design of the 20th Century. [New ed.]. Köln: Taschen, 2016.

APA

Fiell, C., & Fiell, P. (2016). Design of the 20th century. [New ed.]. Köln: Taschen.

Chicago

Fiell, Charlotte, and Peter Fiell. Design of the 20th Century. [New ed.]. Köln: Taschen, 2016.