APA (7th ed.) Citation

Johnson, V. M., & Werner, R. A. (1977). A step-by-step learning guide for older retarded children. Syracuse University Press.

Chicago Style (17th ed.) Citation

Johnson, Vicki M., and Roberta A. Werner. A Step-by-step Learning Guide for Older Retarded Children. Syracuse, N.Y: Syracuse University Press, 1977.

MLA (9th ed.) Citation

Johnson, Vicki M., and Roberta A. Werner. A Step-by-step Learning Guide for Older Retarded Children. Syracuse University Press, 1977.