APA (7th ed.) Citation

Harvard Univ., C., Perkins, D. N., & Simmons, R. (1988). The Cognitive Roots of Scientific and Mathematical Ability and Discussant Reaction: Alternative Representations: A Key to Academic Talent?

Chicago Style (17th ed.) Citation

Harvard Univ., Cambridge, D. N. Perkins, and Rebecca Simmons. The Cognitive Roots of Scientific and Mathematical Ability and Discussant Reaction: Alternative Representations: A Key to Academic Talent? 1988.

MLA (9th ed.) Citation

Harvard Univ., Cambridge, et al. The Cognitive Roots of Scientific and Mathematical Ability and Discussant Reaction: Alternative Representations: A Key to Academic Talent? 1988.