APA Citation
Lightbown, P. M., & Spada, N. (1999). How languages are learned (2nd ed.). Oxford: Oxford University Press.
Chicago Style CitationLightbown, Patsy M., and Nina Spada. How Languages Are Learned. 2nd ed. Oxford: Oxford University Press, 1999.
MLA CitationLightbown, Patsy M., and Nina Spada. How Languages Are Learned. 2nd ed. Oxford: Oxford University Press, 1999.
Warning: These citations may not always be 100% accurate.