APA (7th ed.) Citation

Shay, W. A. (1993). Introduction to operating systems. Harper Collins.

Chicago Style (17th ed.) Citation

Shay, William A. Introduction to Operating Systems. New York, NY: Harper Collins, 1993.

MLA (9th ed.) Citation

Shay, William A. Introduction to Operating Systems. Harper Collins, 1993.

Warning: These citations may not always be 100% accurate.