APA (7th ed.) Citation

Foxx, R. M., & Azrin, N. H. (1973). Toilet training the retarded: A rapid program for day and nighttime independent toileting. Research Press.

Chicago Style (17th ed.) Citation

Foxx, Richard M., and Nathan H. Azrin. Toilet Training the Retarded: A Rapid Program for Day and Nighttime Independent Toileting. Champaign, Illinois: Research Press, 1973.

MLA (9th ed.) Citation

Foxx, Richard M., and Nathan H. Azrin. Toilet Training the Retarded: A Rapid Program for Day and Nighttime Independent Toileting. Research Press, 1973.