APA (7th ed.) Citation

Open University, Braithwaite, N., & Weaver, G. H. (1990). Electronic materials. Open University.

Chicago Style (17th ed.) Citation

Open University, Nicholas Braithwaite, and Graham H. Weaver. Electronic Materials. Milton Keynes, Eng.: Open University, 1990.

MLA (9th ed.) Citation

Open University, et al. Electronic Materials. Open University, 1990.