APA (7th ed.) Citation

Gupta, M. (2017). OCA Java SE 8: Programmer I certification guide. Manning Publications.

Chicago Style (17th ed.) Citation

Gupta, Mala. OCA Java SE 8: Programmer I Certification Guide. Shelter Island, NY: Manning Publications, 2017.

MLA (8th ed.) Citation

Gupta, Mala. OCA Java SE 8: Programmer I Certification Guide. Manning Publications, 2017.