APA (7th ed.) Citation

Lock, G. (1996). Functional English grammar: An introduction for second language teachers (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Lock, Graham. Functional English Grammar: An Introduction for Second Language Teachers. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1996.

MLA (9th ed.) Citation

Lock, Graham. Functional English Grammar: An Introduction for Second Language Teachers. 1. publ. Cambridge Univ. Press, 1996.

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