APA (7th ed.) Citation

Richards, J. M. (1940). An introduction to modern architecture (1 st ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Richards, J. M. An Introduction to Modern Architecture. 1 st ed. Middlesex, England: Penguin Books, 1940.

MLA (8th ed.) Citation

Richards, J. M. An Introduction to Modern Architecture. 1 st ed. Penguin Books, 1940.

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