APA (7th ed.) Citation

Deitel, H. M. (1990). An introduction to: Operating systems (Second edition.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Deitel, H. M. An Introduction to: Operating Systems. Second edition. Massachusetts: Addison-Wesley, 1990.

MLA (8th ed.) Citation

Deitel, H. M. An Introduction to: Operating Systems. Second edition. Addison-Wesley, 1990.