Citazione Stile APA (7a Edizione)

Lindberg, L. (1954). The democratic classroom: A guide for teachers. Bureau of Publications, Teachers College, Columbia University.

Citazione stile Chigago Style (17a edizione)

Lindberg, Lucile. The Democratic Classroom: A Guide for Teachers. New York: Bureau of Publications, Teachers College, Columbia University, 1954.

Citatione MLA (8a ed.)

Lindberg, Lucile. The Democratic Classroom: A Guide for Teachers. Bureau of Publications, Teachers College, Columbia University, 1954.