APA (7th ed.) Citation

Conference on Applied Linguistics & Gass, S. M. (1989). Variation in second language acquisition. Multilingual Matters.

Chicago Style (17th ed.) Citation

Conference on Applied Linguistics and Susan M. Gass. Variation in Second Language Acquisition. Clevedon, Avon, England: Multilingual Matters, 1989.

MLA (8th ed.) Citation

Conference on Applied Linguistics and Susan M. Gass. Variation in Second Language Acquisition. Multilingual Matters, 1989.

Warning: These citations may not always be 100% accurate.