APA (7th ed.) Citation

Fiell, C., & Fiell, P. (1999). Design of the 20th century / Charlotte & Peter Fiell. Taschen.

Chicago Style (17th ed.) Citation

Fiell, Charlotte, and Peter Fiell. Design of the 20th Century / Charlotte & Peter Fiell. Köln ; London: Taschen, 1999.

MLA (9th ed.) Citation

Fiell, Charlotte, and Peter Fiell. Design of the 20th Century / Charlotte & Peter Fiell. Taschen, 1999.

Warning: These citations may not always be 100% accurate.