Citazione Stile APA (7a Edizione)

Klausmeier, H. J., Frayer, D. A., & Ghatala, E. S. (1974). Conceptual learning and development: A cognitive view. Academic Press.

Citazione stile Chigago Style (17a edizione)

Klausmeier, Herbert John, Dorothy Ann Frayer, e Elizabeth Schwenn Ghatala. Conceptual Learning and Development: A Cognitive View. New York: Academic Press, 1974.

Citatione MLA (9a ed.)

Klausmeier, Herbert John, et al. Conceptual Learning and Development: A Cognitive View. Academic Press, 1974.