APA (7th ed.) Citation

Gass, S. M., Behney, J., & Plonsky, L. (2013). Second language acquisition: An introductory course (4. ed.). Routledge.

Chicago Style (17th ed.) Citation

Gass, Susan M., Jennifer Behney, and Luke Plonsky. Second Language Acquisition: An Introductory Course. 4. ed. New York, NY [u.a.]: Routledge, 2013.

MLA (9th ed.) Citation

Gass, Susan M., et al. Second Language Acquisition: An Introductory Course. 4. ed. Routledge, 2013.