APA (7th ed.) Citation

(2021). Java certifications: Which? how to? why? ([First edition].). Manning Publications.

Chicago Style (17th ed.) Citation

Java Certifications: Which? How to? Why? [First edition]. [Place of publication not identified]: Manning Publications, 2021.

MLA (9th ed.) Citation

Java Certifications: Which? How to? Why? [First edition]. Manning Publications, 2021.