Cita APA (7a ed.)

Smith, H. A. (2007). Teaching Adolescents: Educational Psychology as a Science of Signs. University of Toronto Press.

Cita Chicago Style (17a ed.)

Smith, Howard A. Teaching Adolescents: Educational Psychology as a Science of Signs. Toronto: University of Toronto Press, 2007.

Cita MLA (8a ed.)

Smith, Howard A. Teaching Adolescents: Educational Psychology as a Science of Signs. University of Toronto Press, 2007.