APA (7th ed.) Citation

Muñoz, R. F., & Kelly, J. G. (1975). Programmed learning aid for the prevention of mental disorders. Learning Systems.

Chicago Style (17th ed.) Citation

Muñoz, Ricardo F., and James G. Kelly. Programmed Learning Aid for the Prevention of Mental Disorders. Homewood, Ill: Learning Systems, 1975.

MLA (9th ed.) Citation

Muñoz, Ricardo F., and James G. Kelly. Programmed Learning Aid for the Prevention of Mental Disorders. Learning Systems, 1975.