Cita APA (7a ed.)

Richards, J. M. (1956). An introduction to modern architecture. Peguin Books.

Cita Chicago Style (17a ed.)

Richards, J. M. An Introduction to Modern Architecture. Londres: Peguin Books, 1956.

Cita MLA (9a ed.)

Richards, J. M. An Introduction to Modern Architecture. Peguin Books, 1956.