APA (7th ed.) Citation
Sierra, K. Head first Java: A brain-friendly guide. Shroff.
Chicago Style (17th ed.) Citation
Sierra, Kathy. Head First Java: A Brain-friendly Guide. Shroff.
MLA (9th ed.) Citation
Sierra, Kathy. Head First Java: A Brain-friendly Guide. Shroff.
Warning: These citations may not always be 100% accurate.