APA (7th ed.) Citation

Zettersten, A. (1986). New technologies in language learning. Pergamon Press.

Chicago Style (17th ed.) Citation

Zettersten, Arne. New Technologies in Language Learning. Oxford: Pergamon Press, 1986.

MLA (8th ed.) Citation

Zettersten, Arne. New Technologies in Language Learning. Pergamon Press, 1986.