Cita APA (7a ed.)

Loehlin, J. C., Gardner, L., & Spuhler, J. N. (1975). Race differences in intelligence. Freeman.

Cita Chicago Style (17a ed.)

Loehlin, John C., Lindzey Gardner, y James N. Spuhler. Race Differences in Intelligence. San Francisco: Freeman, 1975.

Cita MLA (8a ed.)

Loehlin, John C., et al. Race Differences in Intelligence. Freeman, 1975.