APA (7th ed.) Citation

Shelly, G. B. Discovering computers 2004: A gateway to information.

Chicago Style (17th ed.) Citation

Shelly, Gary B. Discovering Computers 2004: A Gateway to Information. Boston, MA : Course Technology, c2003.

MLA (9th ed.) Citation

Shelly, Gary B. Discovering Computers 2004: A Gateway to Information.

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