Cita APA (7a ed.)

Richardson, K., Spears, D., & Richards, M. (1972). Race and intelligence: The fallacies behind the race-IQ controversy. Penguin Books.

Cita Chicago Style (17a ed.)

Richardson, Ken, David Spears, y Martin Richards. Race and Intelligence: The Fallacies Behind the Race-IQ Controversy. Baltimore: Penguin Books, 1972.

Cita MLA (9a ed.)

Richardson, Ken, et al. Race and Intelligence: The Fallacies Behind the Race-IQ Controversy. Penguin Books, 1972.