Cita APA (7a ed.)

Powell, K. (2011). 21st century London: The new architecture. Merrell.

Cita Chicago Style (17a ed.)

Powell, Kenneth. 21st Century London: The New Architecture. London: Merrell, 2011.

Cita MLA (9a ed.)

Powell, Kenneth. 21st Century London: The New Architecture. Merrell, 2011.