APA (7th ed.) Citation

Richards, J. M. (1959). An introduction to modern architecture. Penguin Books.

Chicago Style (17th ed.) Citation

Richards, J. M. An Introduction to Modern Architecture. Baltimore: Penguin Books, 1959.

MLA (9th ed.) Citation

Richards, J. M. An Introduction to Modern Architecture. Penguin Books, 1959.

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