APA (7th ed.) Citation

Theaker, C. J., & Brookes, G. R. (1983). A practical course on operating systems. Macmillan Press.

Chicago Style (17th ed.) Citation

Theaker, Colin J., and Graham R. Brookes. A Practical Course on Operating Systems. London: Macmillan Press, 1983.

MLA (9th ed.) Citation

Theaker, Colin J., and Graham R. Brookes. A Practical Course on Operating Systems. Macmillan Press, 1983.