APA (7th ed.) Citation

(1979). APT: A resource book for use with citizens who show severely/profoundly retarded behavior (3. print.). Pennhurst Center.

Chicago Style (17th ed.) Citation

APT: A Resource Book for Use with Citizens Who Show Severely/profoundly Retarded Behavior. 3. print. Spring City, Pa: Pennhurst Center, 1979.

MLA (9th ed.) Citation

APT: A Resource Book for Use with Citizens Who Show Severely/profoundly Retarded Behavior. 3. print. Pennhurst Center, 1979.