APA (7th ed.) Citation

Open University. (1975). Computers and their applications: [and], Processing methods. Open University Press.

Chicago Style (17th ed.) Citation

Open University. Computers and Their Applications: [and], Processing Methods. Milton Keynes: Open University Press, 1975.

MLA (8th ed.) Citation

Open University. Computers and Their Applications: [and], Processing Methods. Open University Press, 1975.