APA (7th ed.) Citation

Gass, S. M., & Schachter, J. (1989). Linguistic perspectives on second language acquisition. Cambridge University Press.

Chicago Style (17th ed.) Citation

Gass, Susan M., and Jacquelyn Schachter. Linguistic Perspectives on Second Language Acquisition. Cambridge: Cambridge University Press, 1989.

MLA (9th ed.) Citation

Gass, Susan M., and Jacquelyn Schachter. Linguistic Perspectives on Second Language Acquisition. Cambridge University Press, 1989.