APA (7th ed.) Citation

O'Hearn, S. (2017). OCA Oracle Database SQL Exam Guide (Exam 1Z0-071).

Chicago Style (17th ed.) Citation

O'Hearn, Steve. OCA Oracle Database SQL Exam Guide (Exam 1Z0-071). 2017.

MLA (9th ed.) Citation

O'Hearn, Steve. OCA Oracle Database SQL Exam Guide (Exam 1Z0-071). 2017.

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