American Psychological Association, Plomin, R., & MacClearn, G. E. (1993). Nature, nurture, & psychology. American Psychological Association.
Cita Chicago Style (17a ed.)American Psychological Association, Robert Plomin, y Gerald E. MacClearn. Nature, Nurture, & Psychology. Washington: American Psychological Association, 1993.
Cita MLA (9a ed.)American Psychological Association, et al. Nature, Nurture, & Psychology. American Psychological Association, 1993.
Precaución: Estas citas no son 100% exactas.