APA (7th ed.) Citation

Hamp-Lyons, L., & Heasley, B. (1987). Study writing: A course in written English for academic and professional purposes. Cambridge University Press.

Chicago Style (17th ed.) Citation

Hamp-Lyons, Liz, and Ben Heasley. Study Writing: A Course in Written English for Academic and Professional Purposes. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.

MLA (9th ed.) Citation

Hamp-Lyons, Liz, and Ben Heasley. Study Writing: A Course in Written English for Academic and Professional Purposes. Cambridge University Press, 1987.