APA (7th ed.) Citation

Hetzel. (1988). The complete guide to software testing. QED Informaion Sciences.

Chicago Style (17th ed.) Citation

Hetzel. The Complete Guide to Software Testing. Massachusetts: QED Informaion Sciences, 1988.

MLA (9th ed.) Citation

Hetzel. The Complete Guide to Software Testing. QED Informaion Sciences, 1988.

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