Cita APA (7th ed.)

Smith, P. G., & Wirth, A. G. (1974). Teacher education at the crossroads. Ohio State University Press.

Cita Chicago (17th ed.)

Smith, Philip G., i Arthur G. Wirth. Teacher Education at the Crossroads. [Columbus]: Ohio State University Press, 1974.

Cita MLA (8th ed.)

Smith, Philip G., i Arthur G. Wirth. Teacher Education at the Crossroads. Ohio State University Press, 1974.