APA Citation

Swan, M., & Smith, B. 1. (1987). Learner English: A teacher's guide to interference and other problems. Cambridge: Cambridge University Press.

Chicago Style Citation

Swan, Michael, and Bernard( 1937-) Smith. Learner English: A Teacher's Guide to Interference and Other Problems. Cambridge: Cambridge University Press, 1987.

MLA Citation

Swan, Michael, and Bernard( 1937-) Smith. Learner English: A Teacher's Guide to Interference and Other Problems. Cambridge: Cambridge University Press, 1987.

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