APA (7th ed.) Citation

Extra, G., & Verhoeven, L. T. (1993). Immigrant languages in Europe. Multilingual Matters.

Chicago Style (17th ed.) Citation

Extra, Guus, and Ludo Th Verhoeven. Immigrant Languages in Europe. Clevedon [England] ; Philadelphia: Multilingual Matters, 1993.

MLA (9th ed.) Citation

Extra, Guus, and Ludo Th Verhoeven. Immigrant Languages in Europe. Multilingual Matters, 1993.