APA (7th ed.) Citation

Open University, Schools Council (Great Britain), & Ashton, P. M. E. (1980). Continuing evaluation. Open University.

Chicago Style (17th ed.) Citation

Open University, Schools Council (Great Britain), and Patricia M. E. Ashton. Continuing Evaluation. Milton Keynes: Open University, 1980.

MLA (8th ed.) Citation

Open University, et al. Continuing Evaluation. Open University, 1980.