APA (7th ed.) Citation

Cashing, D. I. (1991). A programmer's guide to file processing. PWS-Kent Publishing Compnay.

Chicago Style (17th ed.) Citation

Cashing, Douglas I. A Programmer's Guide to File Processing. Boston: PWS-Kent Publishing Compnay, 1991.

MLA (9th ed.) Citation

Cashing, Douglas I. A Programmer's Guide to File Processing. PWS-Kent Publishing Compnay, 1991.