Cita APA (7a ed.)

Richards, J. (1962). An introduction to modern architecture. Penguin.

Cita Chicago Style (17a ed.)

Richards, J.M. An Introduction to Modern Architecture. Middlesex, England: Penguin, 1962.

Cita MLA (9a ed.)

Richards, J.M. An Introduction to Modern Architecture. Penguin, 1962.