APA (7th ed.) Citation

Hewings, A., & Hewings, M. (2006). Grammar and context: An advanced resource book. Routledge.

Chicago Style (17th ed.) Citation

Hewings, Ann, and Martin Hewings. Grammar and Context: An Advanced Resource Book. London ; New York: Routledge, 2006.

MLA (9th ed.) Citation

Hewings, Ann, and Martin Hewings. Grammar and Context: An Advanced Resource Book. Routledge, 2006.