APA (7th ed.) Citation

Lewis, S., & Williams, R. L. (1986). Bulletin boards for reinforcing positive behavior: Intermediate. Canter and Associates.

Chicago Style (17th ed.) Citation

Lewis, Sue, and Rozanne Lanczak Williams. Bulletin Boards for Reinforcing Positive Behavior: Intermediate. Santa Monica, Calif.: Canter and Associates, 1986.

MLA (9th ed.) Citation

Lewis, Sue, and Rozanne Lanczak Williams. Bulletin Boards for Reinforcing Positive Behavior: Intermediate. Canter and Associates, 1986.