Cita APA (7th ed.)

Johnston, D. J. (1971). Teachers' in-service education. Pergamon Press.

Cita Chicago (17th ed.)

Johnston, David John. Teachers' In-service Education. Oxford: Pergamon Press, 1971.

Cita MLA (9th ed.)

Johnston, David John. Teachers' In-service Education. Pergamon Press, 1971.