Cita APA (7a ed.)
Harmin, M., & Sax, S. (1977). A peaceable classroom: Activities to calm and free student energies. Winston Press.
Cita Chicago Style (17a ed.)
Harmin, Merrill, y Saville Sax. A Peaceable Classroom: Activities to Calm and Free Student Energies. Minneapolis: Winston Press, 1977.
Cita MLA (9a ed.)
Harmin, Merrill, y Saville Sax. A Peaceable Classroom: Activities to Calm and Free Student Energies. Winston Press, 1977.
Precaución: Estas citas no son 100% exactas.