APA (7th ed.) Citation

(2009). Horn River Shales ; the Playbook. Hart Energy.

Chicago Style (17th ed.) Citation

Horn River Shales ; the Playbook. [S.l.]: Hart Energy, 2009.

MLA (9th ed.) Citation

Horn River Shales ; the Playbook. Hart Energy, 2009.

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