Cita APA

Strayer, G. D., & Engelhardt, N. L. (1920). The classroom teacher at work in American schools. American Book company.

Citación estilo Chicago

Strayer, George Drayton, and N. L. Engelhardt. The Classroom Teacher at Work in American Schools. New York: American Book company, 1920.

Cita MLA

Strayer, George Drayton, and N. L. Engelhardt. The Classroom Teacher at Work in American Schools. American Book company, 1920.