Cita APA (7a ed.)

Kohl, H. R. (1970). The Open classroom: A practical guide to a new way of teaching. Methuen.

Cita Chicago Style (17a ed.)

Kohl, Herbert R. The Open Classroom: A Practical Guide to a New Way of Teaching. London: Methuen, 1970.

Cita MLA (9a ed.)

Kohl, Herbert R. The Open Classroom: A Practical Guide to a New Way of Teaching. Methuen, 1970.