Cita APA (7a ed.)

Curtis, J. L., & Cornell, L. (2006). Is there really a human race? Joanna Cotler Books.

Cita Chicago Style (17a ed.)

Curtis, Jamie Lee, y Laura Cornell. Is There Really a Human Race? New York, NY: Joanna Cotler Books, 2006.

Cita MLA (8a ed.)

Curtis, Jamie Lee, y Laura Cornell. Is There Really a Human Race? Joanna Cotler Books, 2006.

Precaución: Estas citas no son 100% exactas.