APA (7th ed.) Citation

Deitel, H. M.. (1990). An introduction to operating systems (2nd ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Deitel, Harvey M. An Introduction to Operating Systems. 2nd ed. Reading, Mass.: Addison-Wesley, 1990.

MLA (9th ed.) Citation

Deitel, Harvey M. An Introduction to Operating Systems. 2nd ed. Addison-Wesley, 1990.