Citazione Stile APA (7a Edizione)

Walker, S. (1984). Learning theory and behaviour modification. Methuen.

Citazione stile Chigago Style (17a edizione)

Walker, Stephen. Learning Theory and Behaviour Modification. London, New York: Methuen, 1984.

Citatione MLA (9a ed.)

Walker, Stephen. Learning Theory and Behaviour Modification. Methuen, 1984.