APA (7th ed.) Citation

British Council, English Teaching Information Centre, & Sheldon, L. E. (1987). ELT textbooks and materials: Problems in evaluation and development. Published in association with the British Council by Pergamon Press.

Chicago Style (17th ed.) Citation

British Council, English Teaching Information Centre, and Leslie E. Sheldon. ELT Textbooks and Materials: Problems in Evaluation and Development. Oxford, UK ; New York: Published in association with the British Council by Pergamon Press, 1987.

MLA (9th ed.) Citation

British Council, et al. ELT Textbooks and Materials: Problems in Evaluation and Development. Published in association with the British Council by Pergamon Press, 1987.