Cita APA (7a ed.)

Richards, J. M. (1956). An introduction to modern architecture (1a ed.). Penguin Books.

Cita Chicago Style (17a ed.)

Richards, J. M. An Introduction to Modern Architecture. 1a ed. Baltimore: Penguin Books, 1956.

Cita MLA (9a ed.)

Richards, J. M. An Introduction to Modern Architecture. 1a ed. Penguin Books, 1956.