Cita APA (7a ed.)

Richardson, K. (1973). Race, culture and intelligence (Repr.). Penguin Books.

Cita Chicago Style (17a ed.)

Richardson, Ken. Race, Culture and Intelligence. Repr. Harmondsworth: Penguin Books, 1973.

Cita MLA (8a ed.)

Richardson, Ken. Race, Culture and Intelligence. Repr. Penguin Books, 1973.