APA (7th ed.) Citation

Twentieth Century Society (London, England), Charlton, S., Harwood, E., & Powers, A.. (2007). British modern-architecture and design in 1930s. The Twentieth Century Architecture.

Chicago Style (17th ed.) Citation

Twentieth Century Society (London, England), Susannah Charlton, Elain Harwood, and Alan Powers. British Modern-architecture and Design in 1930s. London: The Twentieth Century Architecture, 2007.

MLA (9th ed.) Citation

Twentieth Century Society (London, England), et al. British Modern-architecture and Design in 1930s. The Twentieth Century Architecture, 2007.