Citazione Stile APA (7a Edizione)

Walker, H. M., & Hiatt, N. B. (1974). Token reinforcement techniques: Classroom applications for the hard-to-teach child. E-B Press.

Citazione stile Chigago Style (17a edizione)

Walker, Hill M., e Nancy Buckley Hiatt. Token Reinforcement Techniques: Classroom Applications for the Hard-to-teach Child. Eugene, Or: E-B Press, 1974.

Citatione MLA (9a ed.)

Walker, Hill M., e Nancy Buckley Hiatt. Token Reinforcement Techniques: Classroom Applications for the Hard-to-teach Child. E-B Press, 1974.