APA (7th ed.) Citation

Ager, D. E. (1990). Sociolinguistics and contemporary French. Cambridge University Press.

Chicago Style (17th ed.) Citation

Ager, D. E. Sociolinguistics and Contemporary French. Cambridge [England] ; New York: Cambridge University Press, 1990.

MLA (9th ed.) Citation

Ager, D. E. Sociolinguistics and Contemporary French. Cambridge University Press, 1990.