APA (7th ed.) Citation

Johnson, G. O., & Blake, K. A. (1960). Learning performance of retarded and normal children. Syracuse University Press.

Chicago Style (17th ed.) Citation

Johnson, G. Orville, and Kathryn A. Blake. Learning Performance of Retarded and Normal Children. [Syracuse, N.Y.]: Syracuse University Press, 1960.

MLA (9th ed.) Citation

Johnson, G. Orville, and Kathryn A. Blake. Learning Performance of Retarded and Normal Children. Syracuse University Press, 1960.