APA (7th ed.) Citation

Maley, A., & Duff, A. (1975). Sounds interesting: Resource material for teachers. Cambridge University Press.

Chicago Style (17th ed.) Citation

Maley, Alan, and Alan Duff. Sounds Interesting: Resource Material for Teachers. Cambridge, [England]: Cambridge University Press, 1975.

MLA (9th ed.) Citation

Maley, Alan, and Alan Duff. Sounds Interesting: Resource Material for Teachers. Cambridge University Press, 1975.