Strayer, G. D., & Engelhardt, N. L. (1920). The classroom teacher at work in American schools. American Book company.
Citação norma ChicagoStrayer, George Drayton, and N. L. Engelhardt. The Classroom Teacher at Work in American Schools. New York: American Book company, 1920.
Citação norma MLAStrayer, George Drayton, and N. L. Engelhardt. The Classroom Teacher at Work in American Schools. American Book company, 1920.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.