Defries, J., Mcclearn, G., Vendenberg, S., Johnson, R., Rashad, M., & Wilson, J. R. (1975). Cognitive Abilities: Use of Family Data as A Control to Assess Sex and Age Differences in Two Ethnic Groups. International Journal of Aging & Human Development, 6(3), 261.
Chicago Style (17th ed.) CitationDefries, JC, GE Mcclearn, SG Vendenberg, RC Johnson, MN Rashad, and J. R. Wilson. "Cognitive Abilities: Use of Family Data as A Control to Assess Sex and Age Differences in Two Ethnic Groups." International Journal of Aging & Human Development 6, no. 3 (1975): 261.
MLA (9th ed.) CitationDefries, JC, et al. "Cognitive Abilities: Use of Family Data as A Control to Assess Sex and Age Differences in Two Ethnic Groups." International Journal of Aging & Human Development, vol. 6, no. 3, 1975, p. 261.