APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Shelly and Cashman. Introduction to Computers and Data Processing. Fullerton, CA: Anaheim Pub. Co, 1980.

MLA (8th ed.) Citation

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

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