Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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