APA (7th ed.) Citation

Shelly & Cashman. (1980). Introduction to computers and data processing. Anaheim Publishing.

Chicago Style (17th ed.) Citation

Shelly and Cashman. Introduction to Computers and Data Processing. California: Anaheim Publishing, 1980.

MLA (8th ed.) Citation

Shelly and Cashman. Introduction to Computers and Data Processing. Anaheim Publishing, 1980.

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