An introduction to applied linguistics :
from practice to theory /
Alan Davies.

APA Citation

Davies, A. (1999). An introduction to applied linguistics: from practice to theory. Edinburgh: Edinburgh University Press.

MLA Citation

Davies, Alan, 1931 February 17-. An Introduction to Applied Linguistics: From Practice to Theory. Edinburgh: Edinburgh University Press, 1999.

Warning: These citations may not always be complete (especially for serials).