APA (7th ed.) Citation

Aitchison, J. (1981). Language change: Progress or decayn. Fontana Paperbacks.

Chicago Style (17th ed.) Citation

Aitchison, Jean. Language Change: Progress or Decayn. Bungay, Suffolk: Fontana Paperbacks, 1981.

MLA (9th ed.) Citation

Aitchison, Jean. Language Change: Progress or Decayn. Fontana Paperbacks, 1981.