Cita APA (7th ed.)

Fiell, C., & Fiell, P. (2001). Designing the 21st century. Taschen.

Cita Chicago (17th ed.)

Fiell, Charlotte, i Peter Fiell. Designing the 21st Century. Colonia: Taschen, 2001.

Cita MLA (9th ed.)

Fiell, Charlotte, i Peter Fiell. Designing the 21st Century. Taschen, 2001.