APA (7th ed.) Citation

Martin, J. R., & Halliday, M. A. K. (1981). Readings in systemic linguistics. Batsford Academic and Educational Ltd.

Chicago Style (17th ed.) Citation

Martin, J. R., and M. A. K. Halliday. Readings in Systemic Linguistics. London: Batsford Academic and Educational Ltd, 1981.

MLA (8th ed.) Citation

Martin, J. R., and M. A. K. Halliday. Readings in Systemic Linguistics. Batsford Academic and Educational Ltd, 1981.