APA (7th ed.) Citation

Klein, W. (2001). Second language acquisition. International encyclopedia of the social & behavioral sciences ; 20: Rev - Ser.

Chicago Style (17th ed.) Citation

Klein, Wolfgang. "Second Language Acquisition." International Encyclopedia of the Social & Behavioral Sciences ; 20: Rev - Ser 2001.

MLA (9th ed.) Citation

Klein, Wolfgang. "Second Language Acquisition." International Encyclopedia of the Social & Behavioral Sciences ; 20: Rev - Ser, 2001.

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